feat: Adds revolut checkout and subscriptions (#3968)

Co-authored-by: alan <alan@lnbits.com>

lnbits/core/services/fiat_providers.py

@@ -200,6 +200,52 @@ def check_square_signature(
         raise ValueError("Square signature verification failed.")
 
 
+def check_revolut_signature(
+    payload: bytes,
+    sig_header: str | None,
+    timestamp_header: str | None,
+    secret: str | None,
+    tolerance_seconds=300,
+):
+    if not sig_header:
+        logger.warning("Revolut signature header is missing.")
+        raise ValueError("Revolut signature header is missing.")
+
+    if not timestamp_header:
+        logger.warning("Revolut timestamp header is missing.")
+        raise ValueError("Revolut timestamp header is missing.")
+
+    if not secret:
+        logger.warning("Revolut webhook signing secret is not set.")
+        raise ValueError("Revolut webhook cannot be verified.")
+
+    try:
+        timestamp = int(timestamp_header)
+    except ValueError as exc:
+        logger.warning("Invalid Revolut timestamp.")
+        raise ValueError("Invalid Revolut timestamp.") from exc
+
+    timestamp_seconds = timestamp / 1000 if timestamp > 9999999999 else timestamp
+
+    if abs(time.time() - timestamp_seconds) > tolerance_seconds:
+        logger.warning("Timestamp outside tolerance.")
+        raise ValueError("Timestamp outside tolerance." f"Timestamp: {timestamp}")
+
+    signed_payload = b"v1." + timestamp_header.encode() + b"." + payload
+    digest = hmac.new(
+        key=secret.encode(), msg=signed_payload, digestmod=hashlib.sha256
+    ).hexdigest()
+    expected_signature = f"v1={digest}"
+
+    provided_signatures = [sig.strip() for sig in sig_header.split(",") if sig.strip()]
+    if not any(
+        hmac.compare_digest(expected_signature, provided)
+        for provided in provided_signatures
+    ):
+        logger.warning("Revolut signature verification failed.")
+        raise ValueError("Revolut signature verification failed.")
+
+
 async def test_connection(provider: str) -> SimpleStatus:
     """
     Test the connection to Stripe by checking if the API key is valid.

lnbits/core/views/callback_api.py

@@ -13,14 +13,20 @@ from lnbits.core.models.misc import SimpleStatus
 from lnbits.core.models.payments import CreateInvoice
 from lnbits.core.services.fiat_providers import (
     check_fiat_status,
+    check_revolut_signature,
     check_square_signature,
     check_stripe_signature,
     verify_paypal_webhook,
 )
-from lnbits.core.services.payments import create_fiat_invoice
+from lnbits.core.services.payments import (
+    create_fiat_invoice,
+    create_wallet_invoice,
+    service_fee_fiat,
+)
 from lnbits.db import Filter, Filters
 from lnbits.fiat import get_fiat_provider
 from lnbits.fiat.base import FiatSubscriptionPaymentOptions
+from lnbits.fiat.revolut import RevolutWallet
 from lnbits.fiat.square import SquareWallet
 from lnbits.settings import settings
 
@@ -74,6 +80,24 @@ async def api_generic_webhook_handler(
             message=f"Callback received successfully from '{provider_name}'.",
         )
 
+    if provider_name.lower() == "revolut":
+        payload = await request.body()
+        sig_header = request.headers.get("Revolut-Signature")
+        timestamp_header = request.headers.get("Revolut-Request-Timestamp")
+        check_revolut_signature(
+            payload,
+            sig_header,
+            timestamp_header,
+            settings.revolut_webhook_signing_secret,
+        )
+        event = await request.json()
+        await handle_revolut_event(event)
+
+        return SimpleStatus(
+            success=True,
+            message=f"Callback received successfully from '{provider_name}'.",
+        )
+
     return SimpleStatus(
         success=False,
         message=f"Unknown fiat provider '{provider_name}'.",
@@ -322,6 +346,139 @@ async def handle_square_event(event: dict):
     logger.warning(f"Unhandled Square event type: '{event_type}'.")
 
 
+async def handle_revolut_event(event: dict):
+    event_type = event.get("event", "")
+    order_id = event.get("order_id")
+    logger.info(f"Handling Revolut event: '{event_type}'. Order ID: '{order_id}'.")
+
+    if event_type in ["ORDER_AUTHORISED", "ORDER_COMPLETED"]:
+        if not order_id:
+            logger.warning("Revolut event missing order_id.")
+            return
+
+        payment = await get_standalone_payment(f"fiat_revolut_order_{order_id}")
+        if not payment:
+            logger.warning(f"No payment found for Revolut order: '{order_id}'.")
+            return
+
+        await check_fiat_status(payment)
+        return
+
+    if event_type == "SUBSCRIPTION_INITIATED":
+        await _handle_revolut_subscription_initiated(event)
+        return
+
+    if event_type in [
+        "SUBSCRIPTION_CANCELLED",
+        "SUBSCRIPTION_FINISHED",
+        "SUBSCRIPTION_OVERDUE",
+    ]:
+        logger.info(f"Revolut subscription lifecycle event received: '{event_type}'.")
+        return
+
+    logger.warning(f"Unhandled Revolut event type: '{event_type}'.")
+
+
+async def _handle_revolut_subscription_initiated(event: dict):
+    subscription_id = event.get("subscription_id")
+    if not subscription_id:
+        logger.warning("Revolut subscription event missing subscription_id.")
+        return
+
+    fiat_provider = await get_fiat_provider("revolut")
+    if not isinstance(fiat_provider, RevolutWallet):
+        logger.warning("Revolut fiat provider is not configured.")
+        return
+
+    subscription = await fiat_provider.get_subscription(subscription_id)
+    reference = fiat_provider.deserialize_subscription_reference(
+        subscription.get("external_reference")
+    )
+    if not reference:
+        logger.warning("Revolut subscription event missing LNbits metadata.")
+        return
+
+    cycle_id = subscription.get("current_cycle_id")
+    if not cycle_id:
+        logger.warning("Revolut subscription missing current_cycle_id.")
+        return
+
+    cycle = await fiat_provider.get_subscription_cycle(subscription_id, cycle_id)
+    order_id = cycle.get("order_id")
+    if not order_id:
+        logger.warning("Revolut subscription cycle missing order_id.")
+        return
+
+    existing_payment = await get_standalone_payment(f"fiat_revolut_order_{order_id}")
+    if existing_payment:
+        if existing_payment.external_id != subscription_id:
+            existing_payment.external_id = subscription_id
+            await update_payment(existing_payment)
+        await check_fiat_status(existing_payment)
+        return
+
+    order = await fiat_provider.get_order(order_id)
+    amount_minor = order.get("amount")
+    currency = (order.get("currency") or "").upper()
+    if amount_minor is None or not currency:
+        raise ValueError("Revolut subscription order missing amount or currency.")
+
+    extra = {
+        **(reference.extra or {}),
+        "subscription_request_id": reference.subscription_request_id,
+        "fiat_method": "subscription",
+        "tag": reference.tag,
+        "subscription": {
+            "checking_id": f"order_{order_id}",
+            "payment_request": order.get("checkout_url") or "",
+        },
+    }
+    lnbits_payment = await _create_revolut_subscription_payment(
+        wallet_id=reference.wallet_id,
+        amount_minor=amount_minor,
+        currency=currency,
+        memo=reference.memo or "",
+        extra=extra,
+        order_id=order_id,
+        payment_request=order.get("checkout_url") or "",
+        subscription_id=subscription_id,
+    )
+
+    await check_fiat_status(lnbits_payment)
+
+
+async def _create_revolut_subscription_payment(
+    wallet_id: str,
+    amount_minor: int,
+    currency: str,
+    memo: str,
+    extra: dict,
+    order_id: str,
+    payment_request: str,
+    subscription_id: str,
+) -> Payment:
+    amount = RevolutWallet.minor_units_to_amount(amount_minor, currency)
+    payment = await create_wallet_invoice(
+        wallet_id,
+        CreateInvoice(
+            unit=currency,
+            amount=amount,
+            memo=memo,
+            extra=extra,
+            internal=True,
+            external_id=subscription_id,
+        ),
+    )
+    payment.fee = -abs(service_fee_fiat(payment.msat, "revolut"))
+    payment.fiat_provider = "revolut"
+    payment.extra["fiat_checking_id"] = f"order_{order_id}"
+    payment.extra["fiat_payment_request"] = payment_request
+    checking_id = f"fiat_revolut_order_{order_id}"
+    await update_payment(payment, checking_id)
+    payment.checking_id = checking_id
+    return payment
+
+
 async def _handle_square_payment_event(event: dict):
     payment = _square_extract_payment(event)
     payment_options = _deserialize_square_metadata(_square_payment_note(payment))

lnbits/core/views/fiat_api.py

@@ -2,17 +2,35 @@ from http import HTTPStatus
 
 from fastapi import APIRouter, Depends, HTTPException
 from loguru import logger
+from pydantic import BaseModel
 
+from lnbits.core.crud.settings import set_settings_field
 from lnbits.core.models.misc import SimpleStatus
 from lnbits.core.models.wallets import WalletTypeInfo
+from lnbits.core.services import update_cached_settings
 from lnbits.core.services.fiat_providers import test_connection
 from lnbits.decorators import check_admin, require_admin_key
-from lnbits.fiat import StripeWallet, get_fiat_provider
+from lnbits.fiat import RevolutWallet, StripeWallet, get_fiat_provider
 from lnbits.fiat.base import CreateFiatSubscription, FiatSubscriptionResponse
 
 fiat_router = APIRouter(tags=["Fiat API"], prefix="/api/v1/fiat")
 
 
+class RevolutCreateWebhook(BaseModel):
+    url: str
+    endpoint: str | None = None
+    api_secret_key: str | None = None
+    api_version: str | None = None
+
+
+class RevolutCreateWebhookResponse(BaseModel):
+    id: str | None = None
+    url: str
+    events: list[str] = []
+    signing_secret: str
+    already_exists: bool = False
+
+
 @fiat_router.put(
     "/check/{provider}",
     status_code=HTTPStatus.OK,
@@ -22,6 +40,54 @@ async def api_test_fiat_provider(provider: str) -> SimpleStatus:
     return await test_connection(provider)
 
 
+@fiat_router.post(
+    "/revolut/webhook",
+    status_code=HTTPStatus.OK,
+    dependencies=[Depends(check_admin)],
+)
+async def api_create_revolut_webhook(
+    data: RevolutCreateWebhook,
+) -> RevolutCreateWebhookResponse:
+    try:
+        webhook = await RevolutWallet.create_webhook(
+            url=data.url,
+            endpoint=data.endpoint,
+            api_secret_key=data.api_secret_key,
+            api_version=data.api_version,
+        )
+    except ValueError as exc:
+        logger.warning(exc)
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+    except Exception as exc:
+        logger.warning(exc)
+        raise HTTPException(
+            status_code=500, detail="Failed to create Revolut webhook."
+        ) from exc
+
+    signing_secret = webhook.get("signing_secret")
+    webhook_url = webhook.get("url") or data.url
+    if not signing_secret:
+        raise HTTPException(
+            status_code=502, detail="Revolut returned no webhook signing secret."
+        )
+
+    updated_settings = {
+        "revolut_payment_webhook_url": webhook_url,
+        "revolut_webhook_signing_secret": signing_secret,
+    }
+    for key, value in updated_settings.items():
+        await set_settings_field(key, value)
+    update_cached_settings(updated_settings)
+
+    return RevolutCreateWebhookResponse(
+        id=webhook.get("id"),
+        url=webhook_url,
+        events=webhook.get("events") or [],
+        signing_secret=signing_secret,
+        already_exists=webhook.get("already_exists", False),
+    )
+
+
 @fiat_router.post(
     "/{provider}/subscription",
     status_code=HTTPStatus.OK,

lnbits/fiat/__init__.py

@@ -9,6 +9,7 @@ from lnbits.fiat.base import FiatProvider
 from lnbits.settings import settings
 
 from .paypal import PayPalWallet
+from .revolut import RevolutWallet
 from .square import SquareWallet
 from .stripe import StripeWallet
 
@@ -19,6 +20,7 @@ class FiatProviderType(Enum):
     stripe = "StripeWallet"
     paypal = "PayPalWallet"
     square = "SquareWallet"
+    revolut = "RevolutWallet"
 
 
 async def get_fiat_provider(name: str) -> FiatProvider | None:
@@ -54,6 +56,7 @@ fiat_providers: dict[str, FiatProvider] = {}
 
 __all__ = [
     "PayPalWallet",
+    "RevolutWallet",
     "SquareWallet",
     "StripeWallet",
 ]

lnbits/fiat/revolut.py

@@ -0,0 +1,535 @@
+import asyncio
+import ipaddress
+import json
+from decimal import Decimal, ROUND_HALF_UP
+from collections.abc import AsyncGenerator
+from typing import Any
+from urllib.parse import urlparse
+
+import httpx
+from loguru import logger
+from pydantic import BaseModel, Field, ValidationError
+
+from lnbits.helpers import normalize_endpoint, urlsafe_short_hash
+from lnbits.settings import settings
+
+from .base import (
+    FiatInvoiceResponse,
+    FiatPaymentFailedStatus,
+    FiatPaymentPendingStatus,
+    FiatPaymentResponse,
+    FiatPaymentStatus,
+    FiatPaymentSuccessStatus,
+    FiatProvider,
+    FiatStatusResponse,
+    FiatSubscriptionPaymentOptions,
+    FiatSubscriptionResponse,
+)
+
+
+class RevolutCheckoutOptions(BaseModel):
+    class Config:
+        extra = "ignore"
+
+    success_url: str | None = None
+    metadata: dict[str, Any] = Field(default_factory=dict)
+    description: str | None = None
+
+
+class RevolutCreateInvoiceOptions(BaseModel):
+    class Config:
+        extra = "ignore"
+
+    checkout: RevolutCheckoutOptions | None = None
+
+
+class RevolutSubscriptionReference(BaseModel):
+    wallet_id: str
+    tag: str | None = None
+    subscription_request_id: str | None = None
+    extra: dict[str, Any] | None = None
+    memo: str | None = None
+
+
+REVOLUT_WEBHOOK_EVENTS = [
+    "ORDER_AUTHORISED",
+    "ORDER_COMPLETED",
+    "SUBSCRIPTION_INITIATED",
+]
+
+ZERO_DECIMAL_CURRENCIES = {
+    "BIF",
+    "CLP",
+    "DJF",
+    "GNF",
+    "ISK",
+    "JPY",
+    "KMF",
+    "KRW",
+    "PYG",
+    "RWF",
+    "UGX",
+    "VND",
+    "VUV",
+    "XAF",
+    "XOF",
+    "XPF",
+}
+THREE_DECIMAL_CURRENCIES = {
+    "BHD",
+    "IQD",
+    "JOD",
+    "KWD",
+    "LYD",
+    "OMR",
+    "TND",
+}
+
+
+class RevolutWallet(FiatProvider):
+    """https://developer.revolut.com/docs/merchant"""
+
+    def __init__(self):
+        logger.debug("Initializing RevolutWallet")
+        self._settings_fields = self._settings_connection_fields()
+        if not settings.revolut_api_endpoint:
+            raise ValueError("Cannot initialize RevolutWallet: missing endpoint.")
+        if not settings.revolut_api_secret_key:
+            raise ValueError("Cannot initialize RevolutWallet: missing API secret key.")
+
+        self.endpoint = normalize_endpoint(settings.revolut_api_endpoint)
+        self.headers = {
+            "Authorization": f"Bearer {settings.revolut_api_secret_key}",
+            "Revolut-Api-Version": settings.revolut_api_version,
+            "Content-Type": "application/json",
+            "User-Agent": settings.user_agent,
+        }
+        self.client = httpx.AsyncClient(base_url=self.endpoint, headers=self.headers)
+        logger.info("RevolutWallet initialized.")
+
+    async def cleanup(self):
+        try:
+            await self.client.aclose()
+        except RuntimeError as e:
+            logger.warning(f"Error closing Revolut wallet connection: {e}")
+
+    async def status(
+        self, only_check_settings: bool | None = False
+    ) -> FiatStatusResponse:
+        if only_check_settings:
+            if self._settings_fields != self._settings_connection_fields():
+                return FiatStatusResponse("Connection settings have changed.", 0)
+            return FiatStatusResponse(balance=0)
+
+        try:
+            r = await self.client.get("/api/orders", params={"limit": 1}, timeout=15)
+            r.raise_for_status()
+            _ = r.json()
+            return FiatStatusResponse(balance=0)
+        except json.JSONDecodeError:
+            return FiatStatusResponse("Server error: 'invalid json response'", 0)
+        except Exception as exc:
+            logger.warning(exc)
+            return FiatStatusResponse(f"Unable to connect to {self.endpoint}.", 0)
+
+    async def create_invoice(
+        self,
+        amount: float,
+        payment_hash: str,
+        currency: str,
+        memo: str | None = None,
+        extra: dict[str, Any] | None = None,
+        **kwargs,
+    ) -> FiatInvoiceResponse:
+        opts = self._parse_create_opts(extra or {})
+        if opts is None:
+            return FiatInvoiceResponse(
+                ok=False, error_message="Invalid Revolut options"
+            )
+
+        amount_minor = self.amount_to_minor_units(amount, currency)
+        checkout = opts.checkout or RevolutCheckoutOptions()
+        success_url = (
+            checkout.success_url
+            or settings.revolut_payment_success_url
+            or "https://lnbits.com"
+        )
+
+        payload = {
+            "amount": amount_minor,
+            "currency": currency.upper(),
+            "description": checkout.description or memo or "LNbits Invoice",
+            "redirect_url": success_url,
+            "metadata": {
+                **checkout.metadata,
+                "payment_hash": payment_hash,
+                "alan_action": "invoice",
+            },
+        }
+
+        try:
+            r = await self.client.post("/api/orders", json=payload)
+            r.raise_for_status()
+            data = r.json()
+            order_id = data.get("id")
+            checkout_url = data.get("checkout_url")
+            if not order_id or not checkout_url:
+                return FiatInvoiceResponse(
+                    ok=False, error_message="Server error: missing order id or url"
+                )
+            return FiatInvoiceResponse(
+                ok=True,
+                checking_id=f"order_{order_id}",
+                payment_request=checkout_url,
+            )
+        except json.JSONDecodeError:
+            return FiatInvoiceResponse(
+                ok=False, error_message="Server error: invalid json response"
+            )
+        except Exception as exc:
+            logger.warning(exc)
+            return FiatInvoiceResponse(
+                ok=False, error_message=f"Unable to connect to {self.endpoint}."
+            )
+
+    async def create_subscription(
+        self,
+        subscription_id: str,
+        quantity: int,
+        payment_options: FiatSubscriptionPaymentOptions,
+        **kwargs,
+    ) -> FiatSubscriptionResponse:
+        if quantity != 1:
+            return FiatSubscriptionResponse(
+                ok=False,
+                error_message="Revolut subscriptions do not support quantity.",
+            )
+
+        wallet_id = payment_options.wallet_id
+        if not wallet_id:
+            return FiatSubscriptionResponse(
+                ok=False, error_message="Wallet ID is required."
+            )
+
+        extra = payment_options.extra or {}
+        customer_id = extra.get("customer_id")
+        if not customer_id:
+            return FiatSubscriptionResponse(
+                ok=False,
+                error_message="Revolut subscriptions require extra.customer_id.",
+            )
+
+        if not payment_options.subscription_request_id:
+            payment_options.subscription_request_id = urlsafe_short_hash()
+
+        reference = RevolutSubscriptionReference(
+            wallet_id=wallet_id,
+            tag=payment_options.tag,
+            subscription_request_id=payment_options.subscription_request_id,
+            extra=extra,
+            memo=payment_options.memo,
+        )
+        payload: dict[str, Any] = {
+            "plan_variation_id": subscription_id,
+            "customer_id": customer_id,
+            "external_reference": self._serialize_subscription_reference(reference),
+            "setup_order_redirect_url": (
+                payment_options.success_url
+                or settings.revolut_payment_success_url
+                or "https://lnbits.com"
+            ),
+        }
+        if extra.get("trial_duration"):
+            payload["trial_duration"] = extra["trial_duration"]
+
+        headers = {
+            **self.headers,
+            "Idempotency-Key": payment_options.subscription_request_id,
+        }
+
+        try:
+            r = await self.client.post(
+                "/api/subscriptions", json=payload, headers=headers
+            )
+            r.raise_for_status()
+            data = r.json()
+            revolut_subscription_id = data.get("id")
+            setup_order_id = data.get("setup_order_id")
+            if not revolut_subscription_id or not setup_order_id:
+                return FiatSubscriptionResponse(
+                    ok=False,
+                    error_message=(
+                        "Server error: missing subscription id or setup order id"
+                    ),
+                )
+
+            setup_order = await self.get_order(setup_order_id)
+            checkout_url = setup_order.get("checkout_url")
+            if not checkout_url:
+                return FiatSubscriptionResponse(
+                    ok=False, error_message="Server error: missing setup checkout url"
+                )
+
+            return FiatSubscriptionResponse(
+                ok=True,
+                checkout_session_url=checkout_url,
+                subscription_request_id=revolut_subscription_id,
+            )
+        except json.JSONDecodeError:
+            return FiatSubscriptionResponse(
+                ok=False, error_message="Server error: invalid json response"
+            )
+        except Exception as exc:
+            logger.warning(exc)
+            return FiatSubscriptionResponse(
+                ok=False, error_message=f"Unable to connect to {self.endpoint}."
+            )
+
+    async def cancel_subscription(
+        self,
+        subscription_id: str,
+        correlation_id: str,
+        **kwargs,
+    ) -> FiatSubscriptionResponse:
+        try:
+            r = await self.client.post(f"/api/subscriptions/{subscription_id}/cancel")
+            r.raise_for_status()
+            return FiatSubscriptionResponse(ok=True)
+        except Exception as exc:
+            logger.warning(exc)
+            return FiatSubscriptionResponse(
+                ok=False, error_message="Unable to cancel subscription."
+            )
+
+    async def pay_invoice(self, payment_request: str) -> FiatPaymentResponse:
+        raise NotImplementedError("Revolut does not support paying invoices directly.")
+
+    async def get_invoice_status(self, checking_id: str) -> FiatPaymentStatus:
+        try:
+            order_id = self._normalize_revolut_id(checking_id)
+            return self._status_from_order(await self.get_order(order_id))
+        except Exception as exc:
+            logger.debug(f"Error getting Revolut invoice status: {exc}")
+            return FiatPaymentPendingStatus()
+
+    async def get_payment_status(self, checking_id: str) -> FiatPaymentStatus:
+        raise NotImplementedError("Revolut does not support outgoing payments.")
+
+    async def paid_invoices_stream(self) -> AsyncGenerator[str, None]:
+        logger.warning(
+            "Revolut does not support paid invoices stream. Use webhooks instead."
+        )
+        mock_queue: asyncio.Queue[str] = asyncio.Queue(0)
+        while settings.lnbits_running:
+            value = await mock_queue.get()
+            yield value
+
+    def _normalize_revolut_id(self, checking_id: str) -> str:
+        value = (
+            checking_id.replace("fiat_revolut_", "", 1)
+            if checking_id.startswith("fiat_revolut_")
+            else checking_id
+        )
+        return value.replace("order_", "", 1) if value.startswith("order_") else value
+
+    async def get_order(self, order_id: str) -> dict[str, Any]:
+        r = await self.client.get(f"/api/orders/{order_id}")
+        r.raise_for_status()
+        return r.json()
+
+    async def get_subscription(self, subscription_id: str) -> dict[str, Any]:
+        r = await self.client.get(f"/api/subscriptions/{subscription_id}")
+        r.raise_for_status()
+        return r.json()
+
+    async def get_subscription_cycle(
+        self, subscription_id: str, cycle_id: str
+    ) -> dict[str, Any]:
+        r = await self.client.get(
+            f"/api/subscriptions/{subscription_id}/cycles/{cycle_id}"
+        )
+        r.raise_for_status()
+        return r.json()
+
+    @classmethod
+    async def create_webhook(
+        cls,
+        url: str,
+        endpoint: str | None = None,
+        api_secret_key: str | None = None,
+        api_version: str | None = None,
+    ) -> dict[str, Any]:
+        if not url:
+            raise ValueError("Missing Revolut webhook URL.")
+        cls._validate_webhook_url(url)
+        if not endpoint and not settings.revolut_api_endpoint:
+            raise ValueError("Missing Revolut API endpoint.")
+        if not api_secret_key and not settings.revolut_api_secret_key:
+            raise ValueError("Missing Revolut API secret key.")
+
+        base_url = normalize_endpoint(endpoint or settings.revolut_api_endpoint)
+        secret_key = api_secret_key or settings.revolut_api_secret_key
+        headers = {
+            "Authorization": f"Bearer {secret_key}",
+            "Revolut-Api-Version": api_version or settings.revolut_api_version,
+            "Content-Type": "application/json",
+            "User-Agent": settings.user_agent,
+        }
+        payload = {"url": url, "events": REVOLUT_WEBHOOK_EVENTS}
+        async with httpx.AsyncClient(base_url=base_url, headers=headers) as client:
+            webhooks = await cls._list_webhooks(client)
+            existing = await cls._get_existing_webhook(client, webhooks, url)
+            if existing:
+                existing["already_exists"] = True
+                return existing
+
+            response = await client.post("/api/webhooks", json=payload, timeout=15)
+            response.raise_for_status()
+            return response.json()
+
+    @classmethod
+    async def _list_webhooks(cls, client: httpx.AsyncClient) -> list[dict[str, Any]]:
+        response = await client.get("/api/webhooks", timeout=15)
+        response.raise_for_status()
+        data = response.json()
+        if isinstance(data, list):
+            return data
+        if isinstance(data, dict):
+            for field in ["webhooks", "data", "items"]:
+                if isinstance(data.get(field), list):
+                    return data[field]
+        return []
+
+    @classmethod
+    async def _get_existing_webhook(
+        cls, client: httpx.AsyncClient, webhooks: list[dict[str, Any]], url: str
+    ) -> dict[str, Any] | None:
+        for webhook in webhooks:
+            if cls._normalize_webhook_url(webhook.get("url")) != (
+                cls._normalize_webhook_url(url)
+            ):
+                continue
+
+            webhook_id = webhook.get("id")
+            if webhook_id and (
+                not webhook.get("events") or not webhook.get("signing_secret")
+            ):
+                response = await client.get(f"/api/webhooks/{webhook_id}", timeout=15)
+                response.raise_for_status()
+                webhook = response.json()
+
+            events = set(webhook.get("events") or [])
+            missing_events = set(REVOLUT_WEBHOOK_EVENTS) - events
+            if missing_events:
+                raise ValueError(
+                    "A Revolut webhook already exists for this URL, but it is "
+                    f"missing required events: {', '.join(sorted(missing_events))}."
+                )
+
+            if not webhook.get("signing_secret"):
+                raise ValueError(
+                    "A Revolut webhook already exists for this URL, but Revolut "
+                    "did not return a signing secret."
+                )
+
+            return webhook
+        return None
+
+    @classmethod
+    def _normalize_webhook_url(cls, url: str | None) -> str:
+        return (url or "").strip().rstrip("/")
+
+    @classmethod
+    def _validate_webhook_url(cls, url: str) -> None:
+        parsed = urlparse(url)
+        hostname = parsed.hostname
+        if parsed.scheme not in ["http", "https"] or not hostname:
+            raise ValueError("Revolut webhook URL must be a clearnet URL.")
+
+        host = hostname.lower()
+        if host == "localhost" or host.endswith(".localhost"):
+            raise ValueError("Revolut webhook URL must be a clearnet URL.")
+        if host.endswith(".local") or host.endswith(".onion"):
+            raise ValueError("Revolut webhook URL must be a clearnet URL.")
+
+        try:
+            ip = ipaddress.ip_address(host)
+        except ValueError:
+            return
+
+        if (
+            ip.is_loopback
+            or ip.is_private
+            or ip.is_link_local
+            or ip.is_reserved
+            or ip.is_unspecified
+        ):
+            raise ValueError("Revolut webhook URL must be a clearnet URL.")
+
+    def _status_from_order(self, order: dict[str, Any]) -> FiatPaymentStatus:
+        status = (order.get("state") or "").upper()
+        if status == "COMPLETED":
+            return FiatPaymentSuccessStatus()
+        if status in ["CANCELLED", "FAILED"]:
+            return FiatPaymentFailedStatus()
+        return FiatPaymentPendingStatus()
+
+    @classmethod
+    def amount_to_minor_units(cls, amount: float | Decimal, currency: str) -> int:
+        scale = Decimal(10) ** cls.currency_exponent(currency)
+        return int((Decimal(str(amount)) * scale).quantize(Decimal("1"), ROUND_HALF_UP))
+
+    @classmethod
+    def minor_units_to_amount(cls, amount: int, currency: str) -> float:
+        scale = Decimal(10) ** cls.currency_exponent(currency)
+        return float(Decimal(amount) / scale)
+
+    @classmethod
+    def currency_exponent(cls, currency: str) -> int:
+        normalized = currency.upper()
+        if normalized in ZERO_DECIMAL_CURRENCIES:
+            return 0
+        if normalized in THREE_DECIMAL_CURRENCIES:
+            return 3
+        return 2
+
+    def _parse_create_opts(
+        self, raw_opts: dict[str, Any]
+    ) -> RevolutCreateInvoiceOptions | None:
+        try:
+            return RevolutCreateInvoiceOptions.parse_obj(raw_opts)
+        except ValidationError as e:
+            logger.warning(f"Invalid Revolut options: {e}")
+            return None
+
+    def _serialize_subscription_reference(
+        self, reference: RevolutSubscriptionReference
+    ) -> str:
+        payload = reference.dict(exclude_none=True)
+        serialized = json.dumps(payload, separators=(",", ":"))
+        if len(serialized) > 1024:
+            raise ValueError("Revolut subscription external_reference is too long.")
+        return serialized
+
+    def deserialize_subscription_reference(
+        self, external_reference: str | None
+    ) -> RevolutSubscriptionReference | None:
+        if not external_reference:
+            return None
+        try:
+            return RevolutSubscriptionReference.parse_obj(
+                json.loads(external_reference)
+            )
+        except (json.JSONDecodeError, ValidationError) as exc:
+            logger.warning(exc)
+            return None
+
+    def _settings_connection_fields(self) -> str:
+        return "-".join(
+            [
+                str(settings.revolut_api_endpoint),
+                str(settings.revolut_api_secret_key),
+                str(settings.revolut_api_version),
+                str(settings.revolut_webhook_signing_secret),
+            ]
+        )

lnbits/fiat/square.py

@@ -548,55 +548,60 @@ class SquareWallet(FiatProvider):
     async def _get_square_subscription_id(
         self, subscription_id: str, wallet_id: str
     ) -> str:
-        from lnbits.core.crud.payments import get_payments
-        from lnbits.core.models import PaymentFilters
-        from lnbits.db import Filter, Filters
+        try:
+            from lnbits.core.crud.payments import get_payments
+            from lnbits.core.models import PaymentFilters
+            from lnbits.db import Filter, Filters
 
-        payments = await get_payments(
-            wallet_id=wallet_id,
-            filters=Filters(
-                filters=[
-                    Filter.parse_query("external_id", [subscription_id], PaymentFilters)
-                ],
-                model=PaymentFilters,
-                sortby="created_at",
-                direction="desc",
-                limit=1,
-            ),
-        )
-        payment = next(
-            (
-                payment
-                for payment in payments
-                if payment.external_id and payment.fiat_provider == "square"
-            ),
-            None,
-        )
-        if payment and payment.external_id:
-            return payment.external_id
+            payments = await get_payments(
+                wallet_id=wallet_id,
+                filters=Filters(
+                    filters=[
+                        Filter.parse_query(
+                            "external_id", [subscription_id], PaymentFilters
+                        )
+                    ],
+                    model=PaymentFilters,
+                    sortby="created_at",
+                    direction="desc",
+                    limit=1,
+                ),
+            )
+            payment = next(
+                (
+                    payment
+                    for payment in payments
+                    if payment.external_id and payment.fiat_provider == "square"
+                ),
+                None,
+            )
+            if payment and payment.external_id:
+                return payment.external_id
 
-        payments = await get_payments(
-            wallet_id=wallet_id,
-            incoming=True,
-            filters=Filters(
-                model=PaymentFilters,
-                sortby="created_at",
-                direction="desc",
-            ),
-        )
-        payment = next(
-            (
-                payment
-                for payment in payments
-                if payment.external_id
-                and payment.fiat_provider == "square"
-                and (payment.extra or {}).get("subscription_request_id")
-                == subscription_id
-            ),
-            None,
-        )
-        if payment and payment.external_id:
-            return payment.external_id
+            payments = await get_payments(
+                wallet_id=wallet_id,
+                incoming=True,
+                filters=Filters(
+                    model=PaymentFilters,
+                    sortby="created_at",
+                    direction="desc",
+                ),
+            )
+            payment = next(
+                (
+                    payment
+                    for payment in payments
+                    if payment.external_id
+                    and payment.fiat_provider == "square"
+                    and (payment.extra or {}).get("subscription_request_id")
+                    == subscription_id
+                ),
+                None,
+            )
+            if payment and payment.external_id:
+                return payment.external_id
+        except Exception as exc:
+            logger.warning(exc)
 
         return subscription_id
 

lnbits/settings.py

@@ -713,6 +713,20 @@ class SquareFiatProvider(LNbitsSettings):
     square_limits: FiatProviderLimits = Field(default_factory=FiatProviderLimits)
 
 
+class RevolutFiatProvider(LNbitsSettings):
+    revolut_enabled: bool = Field(default=False)
+    revolut_api_endpoint: str = Field(default="https://merchant.revolut.com")
+    revolut_api_secret_key: str | None = Field(default=None)
+    revolut_api_version: str = Field(default="2026-04-20")
+    revolut_payment_success_url: str = Field(default="https://lnbits.com")
+    revolut_payment_webhook_url: str = Field(
+        default="https://your-lnbits-domain-here.com/api/v1/callback/revolut"
+    )
+    revolut_webhook_signing_secret: str | None = Field(default=None)
+
+    revolut_limits: FiatProviderLimits = Field(default_factory=FiatProviderLimits)
+
+
 class LightningSettings(LNbitsSettings):
     lightning_invoice_expiry: int = Field(default=3600, gt=0)
 
@@ -750,7 +764,12 @@ class FundingSourcesSettings(
     funding_source_max_retries: int = Field(default=4, ge=0)
 
 
-class FiatProvidersSettings(StripeFiatProvider, PayPalFiatProvider, SquareFiatProvider):
+class FiatProvidersSettings(
+    StripeFiatProvider,
+    PayPalFiatProvider,
+    SquareFiatProvider,
+    RevolutFiatProvider,
+):
     def is_fiat_provider_enabled(self, provider: str | None) -> bool:
         """
         Checks if a specific fiat provider is enabled.
@@ -763,6 +782,8 @@ class FiatProvidersSettings(StripeFiatProvider, PayPalFiatProvider, SquareFiatPr
             return self.paypal_enabled
         if provider == "square":
             return self.square_enabled
+        if provider == "revolut":
+            return self.revolut_enabled
         return False
 
     def get_fiat_providers_for_user(self, user_id: str) -> list[str]:
@@ -788,6 +809,12 @@ class FiatProvidersSettings(StripeFiatProvider, PayPalFiatProvider, SquareFiatPr
         ):
             allowed_providers.append("square")
 
+        if self.revolut_enabled and (
+            not self.revolut_limits.allowed_users
+            or user_id in self.revolut_limits.allowed_users
+        ):
+            allowed_providers.append("revolut")
+
         return allowed_providers
 
     def get_fiat_provider_limits(self, provider_name: str) -> FiatProviderLimits | None:

lnbits/static/js/components/admin/lnbits-admin-fiat-providers.js

@@ -6,6 +6,8 @@ window.app.component('lnbits-admin-fiat-providers', {
       formAddStripeUser: '',
       formAddPaypalUser: '',
       formAddSquareUser: '',
+      formAddRevolutUser: '',
+      creatingRevolutWebhook: false,
       hideInputToggle: true
     }
   },
@@ -21,6 +23,12 @@ window.app.component('lnbits-admin-fiat-providers', {
         this.formData?.paypal_payment_webhook_url ||
         this.calculateWebhookUrl('paypal')
       )
+    },
+    revolutWebhookUrl() {
+      return (
+        this.formData?.revolut_payment_webhook_url ||
+        this.calculateWebhookUrl('revolut')
+      )
     }
   },
   watch: {
@@ -60,6 +68,7 @@ window.app.component('lnbits-admin-fiat-providers', {
       this.maybeSetWebhookUrl('stripe_payment_webhook_url', 'stripe')
       this.maybeSetWebhookUrl('paypal_payment_webhook_url', 'paypal')
       this.maybeSetWebhookUrl('square_payment_webhook_url', 'square')
+      this.maybeSetWebhookUrl('revolut_payment_webhook_url', 'revolut')
     },
     maybeSetWebhookUrl(fieldName, provider) {
       if (!this.formData) {
@@ -79,6 +88,47 @@ window.app.component('lnbits-admin-fiat-providers', {
       }
       this.copyText(url)
     },
+    isClearnetWebhookUrl(url) {
+      let parsedUrl
+      try {
+        parsedUrl = new URL(url)
+      } catch (e) {
+        return false
+      }
+
+      const host = parsedUrl.hostname.toLowerCase()
+      if (!['http:', 'https:'].includes(parsedUrl.protocol)) {
+        return false
+      }
+      if (
+        host === 'localhost' ||
+        host.endsWith('.localhost') ||
+        host.endsWith('.local') ||
+        host.endsWith('.onion')
+      ) {
+        return false
+      }
+      if (
+        /^127\./.test(host) ||
+        /^10\./.test(host) ||
+        /^192\.168\./.test(host) ||
+        /^169\.254\./.test(host) ||
+        /^172\.(1[6-9]|2\d|3[0-1])\./.test(host) ||
+        host === '0.0.0.0' ||
+        host === '::1'
+      ) {
+        return false
+      }
+      return true
+    },
+    notifyRevolutWebhookWarning(message) {
+      Quasar.Notify.create({
+        type: 'warning',
+        message,
+        icon: null,
+        closeBtn: true
+      })
+    },
     addStripeAllowedUser() {
       const addUser = this.formAddStripeUser || ''
       if (
@@ -130,6 +180,23 @@ window.app.component('lnbits-admin-fiat-providers', {
       this.formData.square_limits.allowed_users =
         this.formData.square_limits.allowed_users.filter(u => u !== user)
     },
+    addRevolutAllowedUser() {
+      const addUser = this.formAddRevolutUser || ''
+      if (
+        addUser.length &&
+        !this.formData.revolut_limits.allowed_users.includes(addUser)
+      ) {
+        this.formData.revolut_limits.allowed_users = [
+          ...this.formData.revolut_limits.allowed_users,
+          addUser
+        ]
+        this.formAddRevolutUser = ''
+      }
+    },
+    removeRevolutAllowedUser(user) {
+      this.formData.revolut_limits.allowed_users =
+        this.formData.revolut_limits.allowed_users.filter(u => u !== user)
+    },
     checkFiatProvider(providerName) {
       LNbits.api
         .request('PUT', `/api/v1/fiat/check/${providerName}`)
@@ -143,6 +210,48 @@ window.app.component('lnbits-admin-fiat-providers', {
           })
         })
         .catch(LNbits.utils.notifyApiError)
+    },
+    createRevolutWebhook() {
+      const webhookUrl = this.calculateWebhookUrl('revolut')
+      this.formData.revolut_payment_webhook_url = webhookUrl
+
+      if (!this.formData.revolut_api_secret_key) {
+        this.notifyRevolutWebhookWarning(
+          'Add your Revolut API secret key before creating a webhook.'
+        )
+        return
+      }
+      if (!this.isClearnetWebhookUrl(webhookUrl)) {
+        this.notifyRevolutWebhookWarning(
+          'Revolut webhook URL must be a clearnet URL.'
+        )
+        return
+      }
+
+      this.creatingRevolutWebhook = true
+      LNbits.api
+        .request('POST', '/api/v1/fiat/revolut/webhook', null, {
+          url: webhookUrl,
+          endpoint: this.formData.revolut_api_endpoint,
+          api_secret_key: this.formData.revolut_api_secret_key,
+          api_version: this.formData.revolut_api_version
+        })
+        .then(response => {
+          const data = response.data
+          this.formData.revolut_payment_webhook_url = data.url
+          this.formData.revolut_webhook_signing_secret = data.signing_secret
+          Quasar.Notify.create({
+            type: 'positive',
+            message: `Revolut webhook ${
+              data.already_exists ? 'already exists' : 'created'
+            }${data.id ? `: ${data.id}` : ''}.`,
+            icon: null
+          })
+        })
+        .catch(LNbits.utils.notifyApiError)
+        .finally(() => {
+          this.creatingRevolutWebhook = false
+        })
     }
   }
 })

lnbits/templates/components/admin/fiat_providers.vue

@@ -866,6 +866,266 @@
             </q-expansion-item>
           </q-card>
         </q-expansion-item>
+        <q-expansion-item header-class="text-primary text-bold">
+          <template v-slot:header>
+            <q-item-section avatar>
+              <q-avatar color="deep-orange-7" text-color="white">R</q-avatar>
+            </q-item-section>
+
+            <q-item-section> Revolut </q-item-section>
+
+            <q-item-section side>
+              <div class="row items-center">
+                <q-toggle
+                  size="md"
+                  :label="$t('enabled')"
+                  v-model="formData.revolut_enabled"
+                  color="green"
+                  unchecked-icon="clear"
+                />
+              </div>
+            </q-item-section>
+          </template>
+
+          <q-card class="q-pb-xl">
+            <q-expansion-item :label="$t('api')" default-opened>
+              <q-card-section class="q-pa-md">
+                <q-input
+                  filled
+                  type="text"
+                  v-model="formData.revolut_api_endpoint"
+                  :label="$t('endpoint')"
+                ></q-input>
+                <q-input
+                  filled
+                  class="q-mt-md"
+                  :type="hideInputToggle ? 'password' : 'text'"
+                  v-model="formData.revolut_api_secret_key"
+                  label="API secret key"
+                ></q-input>
+                <q-input
+                  filled
+                  class="q-mt-md"
+                  type="text"
+                  v-model="formData.revolut_api_version"
+                  :label="$t('api_version')"
+                ></q-input>
+                <q-input
+                  filled
+                  class="q-mt-md"
+                  type="text"
+                  v-model="formData.revolut_payment_success_url"
+                  :label="$t('callback_success_url')"
+                  :hint="$t('callback_success_url_hint')"
+                ></q-input>
+              </q-card-section>
+              <q-card-section class="q-pa-md">
+                <div class="row">
+                  <div class="col">
+                    <q-btn
+                      outline
+                      color="grey"
+                      class="float-right"
+                      :label="$t('check_connection')"
+                      @click="checkFiatProvider('revolut')"
+                    ></q-btn>
+                  </div>
+                </div>
+              </q-card-section>
+            </q-expansion-item>
+
+            <q-expansion-item :label="$t('webhook')" default-opened>
+              <q-card-section>
+                Configure a Revolut Merchant webhook that points to your LNbits
+                server. LNbits will create it through the Revolut API and
+                subscribe to <code>ORDER_AUTHORISED</code>,
+                <code>ORDER_COMPLETED</code>, and
+                <code>SUBSCRIPTION_INITIATED</code>.
+              </q-card-section>
+              <q-card-section>
+                <div class="row items-center q-gutter-sm q-mt-md">
+                  <div class="col">
+                    <q-input
+                      filled
+                      type="text"
+                      disable
+                      :model-value="revolutWebhookUrl"
+                      :label="$t('webhook_url')"
+                      readonly
+                    ></q-input>
+                  </div>
+                  <div class="col-auto">
+                    <q-btn
+                      outline
+                      color="grey"
+                      icon="content_copy"
+                      @click="copyWebhookUrl(revolutWebhookUrl)"
+                      :aria-label="$t('copy_webhook_url')"
+                    >
+                      <q-tooltip>
+                        <span v-text="$t('copy_webhook_url')"></span>
+                      </q-tooltip>
+                    </q-btn>
+                  </div>
+                </div>
+                <div class="row items-center q-gutter-sm q-mt-md">
+                  <q-btn
+                    type="button"
+                    color="primary"
+                    icon="add_link"
+                    label="Create webhook"
+                    :loading="creatingRevolutWebhook"
+                    @click="createRevolutWebhook"
+                  ></q-btn>
+                  <q-chip
+                    v-if="formData.revolut_webhook_signing_secret"
+                    dense
+                    color="positive"
+                    text-color="white"
+                    icon="verified"
+                  >
+                    Signing secret saved
+                  </q-chip>
+                </div>
+              </q-card-section>
+              <q-card-section>
+                <span v-text="$t('webhook_events_list')"></span>
+                <ul>
+                  <li>
+                    <code>ORDER_AUTHORISED</code>
+                  </li>
+                  <li>
+                    <code>ORDER_COMPLETED</code>
+                  </li>
+                  <li>
+                    <code>SUBSCRIPTION_INITIATED</code>
+                  </li>
+                </ul>
+              </q-card-section>
+            </q-expansion-item>
+
+            <q-expansion-item :label="$t('service_fee')">
+              <q-card-section>
+                <div class="row">
+                  <div class="col-md-4 col-sm-12">
+                    <q-input
+                      filled
+                      class="q-ma-sm"
+                      type="number"
+                      min="0"
+                      v-model="formData.revolut_limits.service_fee_percent"
+                      @update:model-value="formData.touch = null"
+                      :label="$t('service_fee_label')"
+                      :hint="$t('service_fee_hint')"
+                    ></q-input>
+                  </div>
+                  <div class="col-md-4 col-sm-12">
+                    <q-input
+                      filled
+                      class="q-ma-sm"
+                      type="number"
+                      min="0"
+                      v-model="formData.revolut_limits.service_max_fee_sats"
+                      @update:model-value="formData.touch = null"
+                      :label="$t('service_fee_max')"
+                      :hint="$t('service_fee_max_hint')"
+                    ></q-input>
+                  </div>
+                  <div class="col-md-4 col-sm-12">
+                    <q-input
+                      filled
+                      class="q-ma-sm"
+                      type="text"
+                      v-model="formData.revolut_limits.service_fee_wallet_id"
+                      @update:model-value="formData.touch = null"
+                      :label="$t('fee_wallet_label')"
+                      :hint="$t('fee_wallet_hint')"
+                    ></q-input>
+                  </div>
+                </div>
+              </q-card-section>
+            </q-expansion-item>
+
+            <q-expansion-item :label="$t('amount_limits')">
+              <q-card-section>
+                <div class="row">
+                  <div class="col-md-4 col-sm-12">
+                    <q-input
+                      filled
+                      class="q-ma-sm"
+                      type="number"
+                      min="0"
+                      v-model="formData.revolut_limits.service_min_amount_sats"
+                      @update:model-value="formData.touch = null"
+                      :label="$t('min_incoming_payment_amount')"
+                      :hint="$t('min_incoming_payment_amount_desc')"
+                    ></q-input>
+                  </div>
+                  <div class="col-md-4 col-sm-12">
+                    <q-input
+                      filled
+                      class="q-ma-sm"
+                      type="number"
+                      min="0"
+                      v-model="formData.revolut_limits.service_max_amount_sats"
+                      @update:model-value="formData.touch = null"
+                      :label="$t('max_incoming_payment_amount')"
+                      :hint="$t('max_incoming_payment_amount_desc')"
+                    ></q-input>
+                  </div>
+                  <div class="col-md-4 col-sm-12">
+                    <q-input
+                      filled
+                      class="q-ma-sm"
+                      v-model="formData.revolut_limits.service_faucet_wallet_id"
+                      @update:model-value="formData.touch = null"
+                      :label="$t('faucest_wallet_id')"
+                      :hint="$t('faucest_wallet_id_hint')"
+                    ></q-input>
+                  </div>
+                </div>
+              </q-card-section>
+            </q-expansion-item>
+
+            <q-expansion-item :label="$t('allowed_users')">
+              <q-card-section>
+                <q-input
+                  filled
+                  v-model="formAddRevolutUser"
+                  @keydown.enter="addRevolutAllowedUser"
+                  type="text"
+                  :label="$t('allowed_users_label')"
+                  :hint="
+                    $t('allowed_users_hint_feature', {
+                      feature: 'Revolut'
+                    })
+                  "
+                >
+                  <q-btn
+                    @click="addRevolutAllowedUser"
+                    dense
+                    flat
+                    icon="add"
+                  ></q-btn>
+                </q-input>
+                <div>
+                  <q-chip
+                    v-for="user in formData.revolut_limits.allowed_users"
+                    @update:model-value="formData.touch = null"
+                    :key="user"
+                    removable
+                    @remove="removeRevolutAllowedUser(user)"
+                    color="primary"
+                    text-color="white"
+                    :label="user"
+                    class="ellipsis"
+                  >
+                  </q-chip>
+                </div>
+              </q-card-section>
+            </q-expansion-item>
+          </q-card>
+        </q-expansion-item>
       </q-list>
       <div
         class="q-my-md q-pa-sm text-body2 text-grey-4 bg-grey-9 rounded-borders"
@@ -925,6 +1185,21 @@
               >Regions: Square-supported countries</q-chip
             >
           </div>
+          <div class="row items-center q-gutter-sm">
+            <div class="text-bold" style="min-width: 140px">Revolut</div>
+            <q-chip dense color="positive" text-color="white" icon="check"
+              >Checkout</q-chip
+            >
+            <q-chip dense color="positive" text-color="white" icon="check"
+              >Subscriptions</q-chip
+            >
+            <q-chip dense color="negative" text-color="white" icon="close"
+              >Tap-to-pay</q-chip
+            >
+            <q-chip dense color="grey-9" text-color="white" icon="public"
+              >Regions: Revolut-supported countries</q-chip
+            >
+          </div>
         </div>
       </q-card>
     </div>

lnbits/templates/pages/wallet.vue

@@ -414,6 +414,24 @@
                 <span v-text="$t('pay_with', {provider: 'Square'})"></span>
               </q-item-section>
             </q-item>
+            <q-separator
+              v-if="g.user.fiat_providers?.includes('revolut')"
+            ></q-separator>
+            <q-item
+              v-if="g.user.fiat_providers?.includes('revolut')"
+              :active="receive.fiatProvider === 'revolut'"
+              @click="receive.fiatProvider = 'revolut'"
+              active-class="bg-teal-1 text-grey-8 text-weight-bold"
+              clickable
+              v-ripple
+            >
+              <q-item-section avatar>
+                <q-avatar color="deep-orange-7" text-color="white">R</q-avatar>
+              </q-item-section>
+              <q-item-section>
+                <span v-text="$t('pay_with', {provider: 'Revolut'})"></span>
+              </q-item-section>
+            </q-item>
           </q-list>
         </div>
 

tests/api/test_callback_api.py

@@ -9,9 +9,11 @@ from lnbits.core.services.payments import create_wallet_invoice
 from lnbits.core.services.users import create_user_account
 from lnbits.core.views.callback_api import (
     handle_paypal_event,
+    handle_revolut_event,
     handle_square_event,
     handle_stripe_event,
 )
+from lnbits.fiat.revolut import RevolutWallet
 from lnbits.fiat.square import SquareWallet
 from lnbits.settings import Settings
 
@@ -29,8 +31,12 @@ async def test_callback_api_generic_webhook_handler_routes_providers(
     square_mock = mocker.patch(
         "lnbits.core.views.callback_api.handle_square_event", mocker.AsyncMock()
     )
+    revolut_mock = mocker.patch(
+        "lnbits.core.views.callback_api.handle_revolut_event", mocker.AsyncMock()
+    )
     mocker.patch("lnbits.core.views.callback_api.check_stripe_signature")
     mocker.patch("lnbits.core.views.callback_api.check_square_signature")
+    mocker.patch("lnbits.core.views.callback_api.check_revolut_signature")
     mocker.patch(
         "lnbits.core.views.callback_api.verify_paypal_webhook", mocker.AsyncMock()
     )
@@ -61,6 +67,18 @@ async def test_callback_api_generic_webhook_handler_routes_providers(
     assert square.json()["success"] is True
     square_mock.assert_awaited_once()
 
+    revolut = await http_client.post(
+        "/api/v1/callback/revolut",
+        headers={
+            "Revolut-Signature": "sig",
+            "Revolut-Request-Timestamp": "1700000000",
+        },
+        json={"event": "ORDER_COMPLETED", "order_id": "order_1"},
+    )
+    assert revolut.status_code == 200
+    assert revolut.json()["success"] is True
+    revolut_mock.assert_awaited_once()
+
     unknown = await http_client.post("/api/v1/callback/unknown", json={"id": "evt_3"})
     assert unknown.status_code == 200
     assert unknown.json()["success"] is False
@@ -141,6 +159,119 @@ async def test_callback_api_handles_square_paid_events(mocker):
     fiat_status_mock.assert_awaited_once_with(payment)
 
 
+@pytest.mark.anyio
+async def test_callback_api_handles_revolut_paid_events(mocker):
+    payment = mocker.Mock()
+    get_payment = mocker.patch(
+        "lnbits.core.views.callback_api.get_standalone_payment",
+        mocker.AsyncMock(return_value=payment),
+    )
+    fiat_status_mock = mocker.patch(
+        "lnbits.core.views.callback_api.check_fiat_status", mocker.AsyncMock()
+    )
+
+    await handle_revolut_event(
+        {
+            "event": "ORDER_COMPLETED",
+            "order_id": "order_1",
+        }
+    )
+
+    get_payment.assert_awaited_once_with("fiat_revolut_order_order_1")
+    fiat_status_mock.assert_awaited_once_with(payment)
+
+
+@pytest.mark.anyio
+async def test_callback_api_handles_revolut_subscription_event(
+    mocker, settings: Settings
+):
+    wallet_id = "wallet_1"
+    payment = mocker.Mock()
+    payment.extra = {}
+    payment.msat = 925_000
+
+    settings.revolut_api_endpoint = "https://sandbox-merchant.revolut.com"
+    settings.revolut_api_secret_key = "revolut-secret"
+    settings.revolut_api_version = "2026-04-20"
+    revolut_provider = RevolutWallet()
+    mocker.patch.object(
+        revolut_provider,
+        "get_subscription",
+        return_value={
+            "id": "SUBSCRIPTION_1",
+            "current_cycle_id": "CYCLE_1",
+            "external_reference": json.dumps(
+                {
+                    "wallet_id": wallet_id,
+                    "tag": "members",
+                    "subscription_request_id": "request_1",
+                    "extra": {"link": "link-1", "customer_id": "customer_1"},
+                    "memo": "Revolut Members",
+                }
+            ),
+        },
+    )
+    mocker.patch.object(
+        revolut_provider,
+        "get_subscription_cycle",
+        return_value={"id": "CYCLE_1", "order_id": "ORDER_SUB_1"},
+    )
+    mocker.patch.object(
+        revolut_provider,
+        "get_order",
+        return_value={
+            "id": "ORDER_SUB_1",
+            "amount": 925,
+            "currency": "USD",
+            "checkout_url": "https://checkout.revolut.com/payment-link/sub_1",
+        },
+    )
+    mocker.patch(
+        "lnbits.core.views.callback_api.get_fiat_provider",
+        mocker.AsyncMock(return_value=revolut_provider),
+    )
+    mocker.patch(
+        "lnbits.core.views.callback_api.get_standalone_payment",
+        mocker.AsyncMock(side_effect=[None]),
+    )
+    create_wallet_invoice_mock = mocker.patch(
+        "lnbits.core.views.callback_api.create_wallet_invoice",
+        mocker.AsyncMock(return_value=payment),
+    )
+    mocker.patch("lnbits.core.views.callback_api.service_fee_fiat", return_value=2)
+    update_payment_mock = mocker.patch(
+        "lnbits.core.views.callback_api.update_payment", mocker.AsyncMock()
+    )
+    fiat_status_mock = mocker.patch(
+        "lnbits.core.views.callback_api.check_fiat_status", mocker.AsyncMock()
+    )
+
+    await handle_revolut_event(
+        {
+            "event": "SUBSCRIPTION_INITIATED",
+            "subscription_id": "SUBSCRIPTION_1",
+        }
+    )
+
+    assert create_wallet_invoice_mock.await_count == 1
+    called_wallet_id, invoice = create_wallet_invoice_mock.await_args.args
+    assert called_wallet_id == "wallet_1"
+    assert invoice.amount == 9.25
+    assert invoice.memo == "Revolut Members"
+    assert invoice.external_id == "SUBSCRIPTION_1"
+    assert invoice.internal is True
+    assert invoice.extra["fiat_method"] == "subscription"
+    assert invoice.extra["subscription"]["checking_id"] == "order_ORDER_SUB_1"
+    assert payment.fiat_provider == "revolut"
+    assert payment.fee == -2
+    assert payment.extra["fiat_checking_id"] == "order_ORDER_SUB_1"
+    assert payment.checking_id == "fiat_revolut_order_ORDER_SUB_1"
+    update_payment_mock.assert_awaited_once_with(
+        payment, "fiat_revolut_order_ORDER_SUB_1"
+    )
+    fiat_status_mock.assert_awaited_once_with(payment)
+
+
 @pytest.mark.anyio
 async def test_callback_api_handles_subscription_flows_and_validation(
     mocker, settings: Settings

tests/api/test_fiat_api.py

@@ -4,6 +4,8 @@ from pytest_mock.plugin import MockerFixture
 
 from lnbits.core.models.misc import SimpleStatus
 from lnbits.fiat.base import FiatSubscriptionResponse
+from lnbits.fiat.revolut import REVOLUT_WEBHOOK_EVENTS
+from lnbits.settings import Settings
 
 
 class _UnsetSecret:
@@ -144,3 +146,82 @@ async def test_fiat_api_connection_token_validates_provider_configuration(
     assert ok.status_code == 200
     assert ok.json() == {"secret": "tok_live"}
     assert good_provider.await_count == 1
+
+
+@pytest.mark.anyio
+async def test_fiat_api_creates_revolut_webhook(
+    client: AsyncClient,
+    superuser_token: str,
+    settings: Settings,
+    mocker: MockerFixture,
+):
+    create_webhook = mocker.patch(
+        "lnbits.core.views.fiat_api.RevolutWallet.create_webhook",
+        mocker.AsyncMock(
+            return_value={
+                "id": "webhook_1",
+                "url": "https://lnbits.example/api/v1/callback/revolut",
+                "events": REVOLUT_WEBHOOK_EVENTS,
+                "signing_secret": "whsec_1",
+            }
+        ),
+    )
+
+    response = await client.post(
+        "/api/v1/fiat/revolut/webhook",
+        headers={"Authorization": f"Bearer {superuser_token}"},
+        json={
+            "url": "https://lnbits.example/api/v1/callback/revolut",
+            "endpoint": "https://sandbox-merchant.revolut.com",
+            "api_secret_key": "secret_1",
+            "api_version": "2026-04-20",
+        },
+    )
+
+    assert response.status_code == 200
+    assert response.json() == {
+        "id": "webhook_1",
+        "url": "https://lnbits.example/api/v1/callback/revolut",
+        "events": REVOLUT_WEBHOOK_EVENTS,
+        "signing_secret": "whsec_1",
+        "already_exists": False,
+    }
+    create_webhook.assert_awaited_once_with(
+        url="https://lnbits.example/api/v1/callback/revolut",
+        endpoint="https://sandbox-merchant.revolut.com",
+        api_secret_key="secret_1",
+        api_version="2026-04-20",
+    )
+    assert settings.revolut_payment_webhook_url == (
+        "https://lnbits.example/api/v1/callback/revolut"
+    )
+    assert settings.revolut_webhook_signing_secret == "whsec_1"
+
+
+@pytest.mark.anyio
+async def test_fiat_api_rejects_local_revolut_webhook(
+    client: AsyncClient,
+    superuser_token: str,
+    mocker: MockerFixture,
+):
+    create_webhook = mocker.patch(
+        "lnbits.core.views.fiat_api.RevolutWallet.create_webhook",
+        mocker.AsyncMock(
+            side_effect=ValueError("Revolut webhook URL must be a clearnet URL.")
+        ),
+    )
+
+    response = await client.post(
+        "/api/v1/fiat/revolut/webhook",
+        headers={"Authorization": f"Bearer {superuser_token}"},
+        json={
+            "url": "http://localhost:5000/api/v1/callback/revolut",
+            "endpoint": "https://sandbox-merchant.revolut.com",
+            "api_secret_key": "secret_1",
+            "api_version": "2026-04-20",
+        },
+    )
+
+    assert response.status_code == 400
+    assert response.json()["detail"] == ("Revolut webhook URL must be a clearnet URL.")
+    create_webhook.assert_awaited_once()

tests/unit/test_fiat_providers.py

@@ -17,6 +17,7 @@ from lnbits.core.models.wallets import Wallet
 from lnbits.core.services import check_payment_status, payments
 from lnbits.core.services.fiat_providers import (
     check_fiat_status,
+    check_revolut_signature,
     check_square_signature,
     check_stripe_signature,
     handle_fiat_payment_confirmation,
@@ -32,6 +33,7 @@ from lnbits.fiat.base import (
     FiatStatusResponse,
     FiatSubscriptionPaymentOptions,
 )
+from lnbits.fiat.revolut import REVOLUT_WEBHOOK_EVENTS, RevolutWallet
 from lnbits.fiat.square import SquareWallet
 from lnbits.settings import Settings
 from tests.helpers import get_random_string
@@ -83,9 +85,18 @@ def fiat_provider_test_settings(settings: Settings):
     original_square_payment_webhook_url = settings.square_payment_webhook_url
     original_square_webhook_signature_key = settings.square_webhook_signature_key
     original_square_limits = settings.square_limits.copy(deep=True)
+    original_revolut_enabled = settings.revolut_enabled
+    original_revolut_api_endpoint = settings.revolut_api_endpoint
+    original_revolut_api_secret_key = settings.revolut_api_secret_key
+    original_revolut_api_version = settings.revolut_api_version
+    original_revolut_payment_success_url = settings.revolut_payment_success_url
+    original_revolut_payment_webhook_url = settings.revolut_payment_webhook_url
+    original_revolut_webhook_signing_secret = settings.revolut_webhook_signing_secret
+    original_revolut_limits = settings.revolut_limits.copy(deep=True)
     settings.lnbits_allowed_currencies = []
     settings.paypal_enabled = False
     settings.square_enabled = False
+    settings.revolut_enabled = False
     yield
     settings.lnbits_allowed_currencies = original_allowed_currencies
     settings.paypal_enabled = original_paypal_enabled
@@ -98,6 +109,14 @@ def fiat_provider_test_settings(settings: Settings):
     settings.square_payment_webhook_url = original_square_payment_webhook_url
     settings.square_webhook_signature_key = original_square_webhook_signature_key
     settings.square_limits = original_square_limits
+    settings.revolut_enabled = original_revolut_enabled
+    settings.revolut_api_endpoint = original_revolut_api_endpoint
+    settings.revolut_api_secret_key = original_revolut_api_secret_key
+    settings.revolut_api_version = original_revolut_api_version
+    settings.revolut_payment_success_url = original_revolut_payment_success_url
+    settings.revolut_payment_webhook_url = original_revolut_payment_webhook_url
+    settings.revolut_webhook_signing_secret = original_revolut_webhook_signing_secret
+    settings.revolut_limits = original_revolut_limits
 
 
 @pytest.mark.anyio
@@ -178,6 +197,23 @@ async def test_create_wallet_fiat_invoice_allowed_users(
     assert user
     assert user.fiat_providers == ["square"]
 
+    settings.square_enabled = False
+    settings.revolut_enabled = True
+    settings.revolut_limits.allowed_users = []
+    user = await get_user(to_user.id)
+    assert user
+    assert user.fiat_providers == ["revolut"]
+
+    settings.revolut_limits.allowed_users = ["some_other_user_id"]
+    user = await get_user(to_user.id)
+    assert user
+    assert user.fiat_providers == []
+
+    settings.revolut_limits.allowed_users.append(to_user.id)
+    user = await get_user(to_user.id)
+    assert user
+    assert user.fiat_providers == ["revolut"]
+
 
 @pytest.mark.anyio
 async def test_create_wallet_fiat_invoice_fiat_limits_fail(
@@ -695,6 +731,380 @@ async def test_square_wallet_get_invoice_status(settings: Settings):
     assert client.calls[1][0] == "/v2/payments/PAYMENT123"
 
 
+@pytest.mark.anyio
+async def test_create_wallet_revolut_fiat_invoice_success(
+    to_wallet: Wallet, settings: Settings, mocker: MockerFixture
+):
+    settings.revolut_enabled = True
+    settings.revolut_api_secret_key = "revolut-secret"
+    settings.revolut_limits.service_min_amount_sats = 0
+    settings.revolut_limits.service_max_amount_sats = 0
+    settings.revolut_limits.service_faucet_wallet_id = None
+
+    invoice_data = CreateInvoice(
+        unit="USD", amount=1.0, memo="Test", fiat_provider="revolut"
+    )
+    fiat_mock_response = FiatInvoiceResponse(
+        ok=True,
+        checking_id="order_ORDER123",
+        payment_request="https://checkout.revolut.com/payment-link/ORDER123",
+    )
+
+    mocker.patch(
+        "lnbits.fiat.RevolutWallet.create_invoice",
+        AsyncMock(return_value=fiat_mock_response),
+    )
+    mocker.patch(
+        "lnbits.utils.exchange_rates.get_fiat_rate_satoshis",
+        AsyncMock(return_value=1000),
+    )
+    payment = await payments.create_fiat_invoice(to_wallet.id, invoice_data)
+    assert payment.status == PaymentState.PENDING
+    assert payment.fiat_provider == "revolut"
+    assert payment.extra.get("fiat_checking_id") == fiat_mock_response.checking_id
+    assert payment.checking_id.startswith("fiat_revolut_order_ORDER123")
+
+
+@pytest.mark.anyio
+async def test_revolut_wallet_create_invoice(settings: Settings):
+    settings.revolut_api_endpoint = "https://sandbox-merchant.revolut.com"
+    settings.revolut_api_secret_key = "revolut-secret"
+    settings.revolut_api_version = "2026-04-20"
+    settings.revolut_payment_success_url = "https://lnbits.example/success"
+
+    wallet = RevolutWallet()
+    client = MockHTTPClient(
+        [
+            MockHTTPResponse(
+                json_data={
+                    "id": "ORDER123",
+                    "checkout_url": "https://checkout.revolut.com/payment-link/abc123",
+                }
+            )
+        ]
+    )
+    wallet.client = client  # type: ignore[assignment]
+
+    response = await wallet.create_invoice(
+        amount=1.23,
+        payment_hash="hash123",
+        currency="USD",
+        memo="LNbits Revolut invoice",
+        extra={"checkout": {"metadata": {"source": "test"}}},
+    )
+
+    assert response.ok is True
+    assert response.checking_id == "order_ORDER123"
+    assert (
+        response.payment_request == "https://checkout.revolut.com/payment-link/abc123"
+    )
+    assert client.calls[0][0] == "/api/orders"
+    payload = client.calls[0][1]["json"]
+    assert payload["amount"] == 123
+    assert payload["currency"] == "USD"
+    assert payload["metadata"]["payment_hash"] == "hash123"
+    assert payload["metadata"]["alan_action"] == "invoice"
+    assert payload["metadata"]["source"] == "test"
+    assert payload["redirect_url"] == "https://lnbits.example/success"
+
+
+@pytest.mark.anyio
+async def test_revolut_wallet_create_invoice_uses_currency_minor_units(
+    settings: Settings,
+):
+    settings.revolut_api_endpoint = "https://sandbox-merchant.revolut.com"
+    settings.revolut_api_secret_key = "revolut-secret"
+    settings.revolut_api_version = "2026-04-20"
+
+    wallet = RevolutWallet()
+    client = MockHTTPClient(
+        [
+            MockHTTPResponse(
+                json_data={
+                    "id": "ORDER_JPY",
+                    "checkout_url": "https://checkout.revolut.com/payment-link/jpy",
+                }
+            ),
+            MockHTTPResponse(
+                json_data={
+                    "id": "ORDER_KWD",
+                    "checkout_url": "https://checkout.revolut.com/payment-link/kwd",
+                }
+            ),
+        ]
+    )
+    wallet.client = client  # type: ignore[assignment]
+
+    await wallet.create_invoice(
+        amount=123,
+        payment_hash="hash_jpy",
+        currency="JPY",
+    )
+    await wallet.create_invoice(
+        amount=1.234,
+        payment_hash="hash_kwd",
+        currency="KWD",
+    )
+
+    assert client.calls[0][1]["json"]["amount"] == 123
+    assert client.calls[1][1]["json"]["amount"] == 1234
+
+
+@pytest.mark.anyio
+async def test_revolut_wallet_get_invoice_status(settings: Settings):
+    settings.revolut_api_endpoint = "https://sandbox-merchant.revolut.com"
+    settings.revolut_api_secret_key = "revolut-secret"
+    settings.revolut_api_version = "2026-04-20"
+
+    wallet = RevolutWallet()
+    client = MockHTTPClient([MockHTTPResponse(json_data={"state": "COMPLETED"})])
+    wallet.client = client  # type: ignore[assignment]
+
+    status = await wallet.get_invoice_status("fiat_revolut_order_ORDER123")
+
+    assert status.success is True
+    assert client.calls[0][0] == "/api/orders/ORDER123"
+
+
+@pytest.mark.anyio
+async def test_revolut_wallet_create_subscription(settings: Settings):
+    settings.revolut_api_endpoint = "https://sandbox-merchant.revolut.com"
+    settings.revolut_api_secret_key = "revolut-secret"
+    settings.revolut_api_version = "2026-04-20"
+    settings.revolut_payment_success_url = "https://lnbits.example/subscription-success"
+
+    wallet = RevolutWallet()
+    client = MockHTTPClient(
+        [
+            MockHTTPResponse(
+                json_data={
+                    "id": "SUBSCRIPTION123",
+                    "setup_order_id": "ORDER123",
+                }
+            ),
+            MockHTTPResponse(
+                json_data={
+                    "id": "ORDER123",
+                    "checkout_url": "https://checkout.revolut.com/payment-link/sub_123",
+                }
+            ),
+        ]
+    )
+    wallet.client = client  # type: ignore[assignment]
+
+    payment_options = FiatSubscriptionPaymentOptions(
+        wallet_id="wallet_1",
+        memo="Monthly Gold",
+        tag="gold",
+        extra={"customer_id": "CUSTOMER123", "link": "link-1"},
+        success_url="https://lnbits.example/subscription-success",
+    )
+
+    response = await wallet.create_subscription(
+        "PLAN_VARIATION_123", 1, payment_options
+    )
+
+    assert response.ok is True
+    assert response.subscription_request_id == "SUBSCRIPTION123"
+    assert (
+        response.checkout_session_url
+        == "https://checkout.revolut.com/payment-link/sub_123"
+    )
+    assert client.calls[0][0] == "/api/subscriptions"
+    payload = client.calls[0][1]["json"]
+    assert payload["plan_variation_id"] == "PLAN_VARIATION_123"
+    assert payload["customer_id"] == "CUSTOMER123"
+    assert payload["setup_order_redirect_url"] == (
+        "https://lnbits.example/subscription-success"
+    )
+    reference = json.loads(payload["external_reference"])
+    assert reference["wallet_id"] == "wallet_1"
+    assert reference["tag"] == "gold"
+    assert reference["memo"] == "Monthly Gold"
+    assert reference["extra"]["customer_id"] == "CUSTOMER123"
+    assert client.calls[1][0] == "/api/orders/ORDER123"
+
+
+@pytest.mark.anyio
+async def test_revolut_wallet_cancel_subscription(settings: Settings):
+    settings.revolut_api_endpoint = "https://sandbox-merchant.revolut.com"
+    settings.revolut_api_secret_key = "revolut-secret"
+    settings.revolut_api_version = "2026-04-20"
+
+    wallet = RevolutWallet()
+    client = MockHTTPClient([MockHTTPResponse(json_data={})])
+    wallet.client = client  # type: ignore[assignment]
+
+    response = await wallet.cancel_subscription("SUBSCRIPTION123", "wallet_1")
+
+    assert response.ok is True
+    assert client.calls[0][0] == "/api/subscriptions/SUBSCRIPTION123/cancel"
+
+
+@pytest.mark.anyio
+async def test_revolut_wallet_create_webhook(mocker: MockerFixture):
+    client = MockHTTPClient(
+        [
+            MockHTTPResponse({"webhooks": []}),
+            MockHTTPResponse(
+                {
+                    "id": "webhook_1",
+                    "url": "https://lnbits.example/api/v1/callback/revolut",
+                    "events": REVOLUT_WEBHOOK_EVENTS,
+                    "signing_secret": "whsec_1",
+                }
+            ),
+        ]
+    )
+    async_client = mocker.patch("lnbits.fiat.revolut.httpx.AsyncClient")
+    async_client.return_value = client
+
+    response = await RevolutWallet.create_webhook(
+        url="https://lnbits.example/api/v1/callback/revolut",
+        endpoint="https://sandbox-merchant.revolut.com",
+        api_secret_key="revolut-secret",
+        api_version="2026-04-20",
+    )
+
+    assert response["signing_secret"] == "whsec_1"
+    async_client.assert_called_once()
+    assert async_client.call_args.kwargs["base_url"] == (
+        "https://sandbox-merchant.revolut.com"
+    )
+    assert async_client.call_args.kwargs["headers"]["Authorization"] == (
+        "Bearer revolut-secret"
+    )
+    assert client.calls == [
+        (
+            "/api/webhooks",
+            {
+                "timeout": 15,
+            },
+        ),
+        (
+            "/api/webhooks",
+            {
+                "json": {
+                    "url": "https://lnbits.example/api/v1/callback/revolut",
+                    "events": REVOLUT_WEBHOOK_EVENTS,
+                },
+                "timeout": 15,
+            },
+        ),
+    ]
+
+
+@pytest.mark.anyio
+async def test_revolut_wallet_reuses_existing_webhook(mocker: MockerFixture):
+    client = MockHTTPClient(
+        [
+            MockHTTPResponse(
+                {
+                    "webhooks": [
+                        {
+                            "id": "webhook_1",
+                            "url": "https://lnbits.example/api/v1/callback/revolut",
+                            "events": REVOLUT_WEBHOOK_EVENTS,
+                            "signing_secret": "whsec_1",
+                        }
+                    ]
+                }
+            )
+        ]
+    )
+    async_client = mocker.patch("lnbits.fiat.revolut.httpx.AsyncClient")
+    async_client.return_value = client
+
+    response = await RevolutWallet.create_webhook(
+        url="https://lnbits.example/api/v1/callback/revolut",
+        endpoint="https://sandbox-merchant.revolut.com",
+        api_secret_key="revolut-secret",
+        api_version="2026-04-20",
+    )
+
+    assert response["already_exists"] is True
+    assert response["signing_secret"] == "whsec_1"
+    assert client.calls == [
+        (
+            "/api/webhooks",
+            {
+                "timeout": 15,
+            },
+        )
+    ]
+
+
+@pytest.mark.anyio
+async def test_revolut_wallet_rejects_local_webhook_url():
+    with pytest.raises(ValueError, match="clearnet URL"):
+        await RevolutWallet.create_webhook(
+            url="http://localhost:5000/api/v1/callback/revolut",
+            endpoint="https://sandbox-merchant.revolut.com",
+            api_secret_key="revolut-secret",
+            api_version="2026-04-20",
+        )
+
+
+def test_check_revolut_signature():
+    payload = b'{"event":"ORDER_COMPLETED","order_id":"ORDER123"}'
+    timestamp = str(int(time.time() * 1000))
+    secret = "revolut-secret"
+    signed_payload = b"v1." + timestamp.encode() + b"." + payload
+    sig = "v1=" + hmac.new(secret.encode(), signed_payload, hashlib.sha256).hexdigest()
+
+    check_revolut_signature(payload, sig, timestamp, secret)
+
+
+def test_check_revolut_signature_rejects_payload_only_signature():
+    payload = b'{"event":"ORDER_COMPLETED","order_id":"ORDER123"}'
+    timestamp = str(int(time.time() * 1000))
+    secret = "revolut-secret"
+    sig = hmac.new(secret.encode(), payload, hashlib.sha256).hexdigest()
+
+    with pytest.raises(ValueError, match="signature verification failed"):
+        check_revolut_signature(payload, sig, timestamp, secret)
+
+
+def test_check_revolut_signature_v1_header():
+    payload = b'{"event":"ORDER_COMPLETED","order_id":"ORDER123"}'
+    timestamp = str(int(time.time() * 1000))
+    secret = "revolut-secret"
+    signed_payload = b"v1." + timestamp.encode() + b"." + payload
+    sig = "v1=" + hmac.new(secret.encode(), signed_payload, hashlib.sha256).hexdigest()
+
+    check_revolut_signature(payload, sig, timestamp, secret)
+
+
+def test_check_revolut_signature_multiple_v1_headers():
+    payload = b'{"event":"ORDER_COMPLETED","order_id":"ORDER123"}'
+    timestamp = str(int(time.time() * 1000))
+    secret = "revolut-secret"
+    signed_payload = b"v1." + timestamp.encode() + b"." + payload
+    valid_sig = (
+        "v1=" + hmac.new(secret.encode(), signed_payload, hashlib.sha256).hexdigest()
+    )
+    sig_header = f"v1=deadbeef,{valid_sig}"
+
+    check_revolut_signature(payload, sig_header, timestamp, secret)
+
+
+def test_check_revolut_signature_docs_vector():
+    payload = (
+        b'{"data":{"id":"645a7696-22f3-aa47-9c74-cbae0449cc46",'
+        b'"new_state":"completed","old_state":"pending",'
+        b'"request_id":"app_charges-9f5d5eb3-1e06-46c5-b1c0-3914763e0bcb"},'
+        b'"event":"TransactionStateChanged",'
+        b'"timestamp":"2023-05-09T16:36:38.028960Z"}'
+    )
+    timestamp = "1683650202360"
+    secret = "wsk_r59a4HfWVAKycbCaNO1RvgCJec02gRd8"
+    sig = "v1=bca326fb378d0da7f7c490ad584a8106bab9723d8d9cdd0d50b4c5b3be3837c0"
+
+    check_revolut_signature(
+        payload, sig, timestamp, secret, tolerance_seconds=100000000
+    )
+
+
 @pytest.mark.anyio
 async def test_fiat_service_fee(settings: Settings):
     # settings.stripe_limits.service_min_amount_sats = 0