feat: square integration (#3962)

2026-05-22 12:37:51 +03:00
parent 30e0522419
commit a61807a257
23 changed files with 4426 additions and 18 deletions
@@ -292,6 +292,7 @@ async def create_payment(
        tag=extra.get("tag", None),
        extra=extra,
        labels=data.labels or [],
+        external_id=data.external_id,
    )

    await (conn or db).insert("apipayments", payment)
@@ -802,3 +802,16 @@ async def m044_add_activated_to_accounts(db: Connection):
    Used for account activation status.
    """
    await db.execute("ALTER TABLE accounts ADD COLUMN activated BOOLEAN DEFAULT true")
+
+
+async def m045_add_external_id_to_payments(db: Connection):
+    """
+    Adds external_id column to apipayments.
+    Used for external payment references.
+    """
+    await db.execute("ALTER TABLE apipayments ADD COLUMN external_id TEXT")
+    logger.debug("Creating index idx_payments_external_id...")
+    await db.execute("""
+        CREATE INDEX IF NOT EXISTS idx_payments_external_id
+        ON apipayments (external_id);
+        """)
@@ -13,6 +13,7 @@ from lnbits.db import FilterModel
 from lnbits.fiat.base import (
    FiatPaymentStatus,
 )
+from lnbits.helpers import is_valid_external_id
 from lnbits.utils.exchange_rates import allowed_currencies
 from lnbits.wallets.base import (
    PaymentStatus,
@@ -53,6 +54,11 @@ class CreatePayment(BaseModel):
    webhook: str | None = None
    fee: int = 0
    labels: list[str] | None = None
+    external_id: str | None = None
+
+    @validator("external_id")
+    def validate_external_id(cls, external_id):
+        return _validate_external_id(external_id)


 class Payment(BaseModel):
@@ -77,6 +83,11 @@ class Payment(BaseModel):
    updated_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
    labels: list[str] = []
    extra: dict = {}
+    external_id: str | None = None
+
+    @validator("external_id")
+    def validate_external_id(cls, external_id):
+        return _validate_external_id(external_id)

    def __init__(self, **data):
        super().__init__(**data)
@@ -151,6 +162,7 @@ class PaymentFilters(FilterModel):
        "status",
        "time",
        "labels",
+        "external_id",
    ]

    __sort_fields__ = [
@@ -161,11 +173,13 @@ class PaymentFilters(FilterModel):
        "memo",
        "time",
        "tag",
+        "external_id",
    ]

    status: str | None
    tag: str | None
    checking_id: str | None
+    external_id: str | None
    amount: int
    fee: int
    memo: str | None
@@ -249,6 +263,7 @@ class CreateInvoice(BaseModel):
    lnurl_withdraw: LnurlWithdrawResponse | None = None
    fiat_provider: str | None = None
    labels: list[str] = []
+    external_id: str | None = Query(default=None, max_length=256)

    @validator("payment_hash")
    def check_hex(cls, v):
@@ -263,6 +278,10 @@ class CreateInvoice(BaseModel):
            raise ValueError("The provided unit is not supported")
        return v

+    @validator("external_id")
+    def validate_external_id(cls, external_id):
+        return _validate_external_id(external_id)
+

 class PaymentsStatusCount(BaseModel):
    incoming: int = 0
@@ -301,3 +320,12 @@ class CancelInvoice(BaseModel):

 class UpdatePaymentLabels(BaseModel):
    labels: list[str] = []
+
+
+def _validate_external_id(external_id: str | None) -> str | None:
+    if external_id and not is_valid_external_id(external_id):
+        raise ValueError(
+            "Invalid external id. Max length is 256 characters. "
+            "Space and newlines are not allowed."
+        )
+    return external_id
@@ -2,6 +2,7 @@ import hashlib
 import hmac
 import json
 import time
+from base64 import b64encode

 import httpx
 from loguru import logger
@@ -169,6 +170,82 @@ async def verify_paypal_webhook(headers, payload: bytes):
        raise ValueError("PayPal webhook cannot be verified.") from exc


+def check_square_signature(
+    payload: bytes,
+    sig_header: str | None,
+    secret: str | None,
+    notification_url: str | None,
+):
+    if not sig_header:
+        logger.warning("Square signature header is missing.")
+        raise ValueError("Square signature header is missing.")
+
+    if not secret:
+        logger.warning("Square webhook signature key is not set.")
+        raise ValueError("Square webhook cannot be verified.")
+
+    if not notification_url:
+        logger.warning("Square webhook notification URL is not set.")
+        raise ValueError("Square webhook cannot be verified.")
+
+    signed_payload = notification_url.encode() + payload
+    computed_signature = b64encode(
+        hmac.new(
+            key=secret.encode(), msg=signed_payload, digestmod=hashlib.sha256
+        ).digest()
+    ).decode()
+
+    if hmac.compare_digest(computed_signature, sig_header) is not True:
+        logger.warning("Square signature verification failed.")
+        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.
@@ -64,6 +64,7 @@ async def pay_invoice(
    description: str = "",
    tag: str = "",
    labels: list[str] | None = None,
+    external_id: str | None = None,
    conn: Connection | None = None,
 ) -> Payment:
    if settings.lnbits_only_allow_incoming_payments:
@@ -97,6 +98,7 @@ async def pay_invoice(
            memo=description or invoice.description or "",
            extra=extra,
            labels=labels,
+            external_id=external_id,
        )

    async with db.reuse_conn(conn) if conn else db.connect() as new_conn:
@@ -217,6 +219,7 @@ async def create_wallet_invoice(wallet_id: str, data: CreateInvoice) -> Payment:
            internal=data.internal,
            payment_hash=data.payment_hash,
            labels=data.labels,
+            external_id=data.external_id,
            conn=conn,
        )

@@ -258,6 +261,7 @@ async def create_invoice(
    internal: bool | None = False,
    payment_hash: str | None = None,
    labels: list[str] | None = None,
+    external_id: str | None = None,
    conn: Connection | None = None,
 ) -> Payment:
    if not amount > 0:
@@ -342,6 +346,7 @@ async def create_invoice(
        webhook=webhook,
        fee=invoice_response.fee_msat or 0,
        labels=labels,
+        external_id=external_id,
    )

    payment = await create_payment(
@@ -4,17 +4,30 @@ from fastapi import APIRouter, Request
 from loguru import logger

 from lnbits.core.crud.payments import (
+    get_payments,
    get_standalone_payment,
+    update_payment,
 )
+from lnbits.core.models import Payment, PaymentFilters
 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

 callback_router = APIRouter(prefix="/api/v1/callback", tags=["callback"])
@@ -50,6 +63,41 @@ async def api_generic_webhook_handler(
            message=f"Callback received successfully from '{provider_name}'.",
        )

+    if provider_name.lower() == "square":
+        payload = await request.body()
+        sig_header = request.headers.get("x-square-hmacsha256-signature")
+        check_square_signature(
+            payload,
+            sig_header,
+            settings.square_webhook_signature_key,
+            settings.square_payment_webhook_url,
+        )
+        event = await request.json()
+        await handle_square_event(event)
+
+        return SimpleStatus(
+            success=True,
+            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}'.",
@@ -280,3 +328,386 @@ def _deserialize_paypal_metadata(custom_id: str) -> FiatSubscriptionPaymentOptio
    except (json.JSONDecodeError, IndexError) as e:
        logger.warning(f"Failed to deserialize PayPal metadata: {e}")
        return FiatSubscriptionPaymentOptions()
+
+
+async def handle_square_event(event: dict):
+    event_id = event.get("event_id") or event.get("id", "")
+    event_type = event.get("type", "")
+    logger.info(f"Handling Square event: '{event_id}'. Type: '{event_type}'.")
+
+    if event_type == "payment.updated":
+        await _handle_square_payment_event(event)
+        return
+
+    if event_type == "invoice.payment_made":
+        await _handle_square_invoice_payment_made(event)
+        return
+
+    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}'.")
+            await _handle_revolut_subscription_order_paid(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:
+        subscription_id = event.get("id")
+
+    if not subscription_id:
+        logger.warning("Revolut subscription event missing subscription_id.")
+        return
+
+    fiat_provider = await _get_revolut_provider()
+    if not fiat_provider:
+        return
+
+    subscription = await fiat_provider.get_subscription(subscription_id)
+    await _handle_revolut_subscription(subscription, fiat_provider)
+
+
+async def _get_revolut_provider() -> RevolutWallet | None:
+    fiat_provider = await get_fiat_provider("revolut")
+    if not isinstance(fiat_provider, RevolutWallet):
+        logger.warning("Revolut fiat provider is not configured.")
+        return None
+    return fiat_provider
+
+
+async def _handle_revolut_subscription(
+    subscription: dict, fiat_provider: RevolutWallet
+):
+    subscription_id = subscription.get("id")
+    if not subscription_id:
+        logger.warning("Revolut subscription missing id.")
+        return
+
+    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 _handle_revolut_subscription_order_paid(order_id: str):
+    fiat_provider = await _get_revolut_provider()
+    if not fiat_provider:
+        return
+
+    order = await fiat_provider.get_order(order_id)
+    if order.get("type") != "payment" or order.get("state") != "completed":
+        logger.warning(f"Revolut order is not a completed payment: '{order_id}'.")
+        return
+
+    channel_data = order.get("channel_data") or {}
+    subscription_id = channel_data.get("subscription_id")
+    if not subscription_id:
+        logger.warning(f"Revolut order missing subscription_id: '{order_id}'.")
+        return
+
+    subscription = await fiat_provider.get_subscription(subscription_id)
+    if subscription.get("state") != "active":
+        logger.warning(f"Revolut subscription is not active: '{subscription_id}'.")
+        return
+
+    await _handle_revolut_subscription_initiated(subscription)
+
+
+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))
+    if payment_options.wallet_id:
+        if not _square_payment_is_completed(payment):
+            logger.debug("Square subscription payment is not completed yet.")
+            return
+        await _handle_square_subscription_payment(payment, payment_options)
+        return
+
+    order_id = payment.get("order_id")
+    if not order_id:
+        logger.warning("Square payment event missing order_id.")
+        return
+
+    lnbits_payment = await get_standalone_payment(f"fiat_square_order_{order_id}")
+    if not lnbits_payment:
+        logger.warning(f"No payment found for Square order: '{order_id}'.")
+        return
+
+    await check_fiat_status(lnbits_payment)
+
+
+async def _handle_square_invoice_payment_made(event: dict):
+    invoice = event.get("data", {}).get("object", {}).get("invoice") or {}
+    order_id = invoice.get("order_id")
+    if not order_id:
+        logger.warning("Square invoice.payment_made event missing order_id.")
+        return
+    subscription_id = invoice.get("subscription_id")
+
+    fiat_provider = await get_fiat_provider("square")
+    if not isinstance(fiat_provider, SquareWallet):
+        logger.warning("Square fiat provider is not configured.")
+        return
+
+    payment = await fiat_provider.get_payment_for_order(order_id)
+    if not payment:
+        logger.warning(f"No Square payment found for invoice order: '{order_id}'.")
+        return
+
+    payment_options = _deserialize_square_metadata(_square_payment_note(payment))
+    if not payment_options.wallet_id:
+        payment_id = payment.get("id")
+        stored_payment = (
+            await get_standalone_payment(f"fiat_square_payment_{payment_id}")
+            if payment_id
+            else None
+        )
+        if not stored_payment and subscription_id:
+            stored_payments = await get_payments(
+                filters=Filters(
+                    filters=[
+                        Filter.parse_query(
+                            "external_id", [subscription_id], PaymentFilters
+                        )
+                    ],
+                    model=PaymentFilters,
+                    sortby="created_at",
+                    direction="desc",
+                    limit=1,
+                )
+            )
+            stored_payment = stored_payments[0] if stored_payments else None
+        if stored_payment:
+            payment_options = _square_payment_options_from_payment(stored_payment)
+        else:
+            logger.warning("Square subscription payment missing LNbits metadata.")
+            return
+
+    await _handle_square_subscription_payment(
+        payment,
+        payment_options,
+        invoice.get("public_url") or "",
+        square_subscription_id=subscription_id,
+    )
+
+
+async def _handle_square_subscription_payment(
+    payment: dict,
+    payment_options: FiatSubscriptionPaymentOptions,
+    payment_request: str = "",
+    square_subscription_id: str | None = None,
+):
+    amount_money = payment.get("amount_money") or {}
+    amount = amount_money.get("amount")
+    currency = (amount_money.get("currency") or "").upper()
+    payment_id = payment.get("id")
+    if amount is None or not currency or not payment_id:
+        raise ValueError("Square subscription payment event missing payment amount.")
+    wallet_id = payment_options.wallet_id
+    if not wallet_id:
+        raise ValueError("Square subscription payment event missing wallet_id.")
+
+    checking_id = f"payment_{payment_id}"
+    existing_payment = await get_standalone_payment(f"fiat_square_{checking_id}")
+    if existing_payment:
+        if (
+            square_subscription_id
+            and existing_payment.external_id != square_subscription_id
+        ):
+            existing_payment.external_id = square_subscription_id
+            await update_payment(existing_payment)
+        await check_fiat_status(existing_payment)
+        return
+
+    square_subscription_id = square_subscription_id or (
+        payment_options.extra or {}
+    ).get("square_subscription_id")
+    extra = {
+        **(payment_options.extra or {}),
+        "subscription_request_id": payment_options.subscription_request_id,
+        "fiat_method": "subscription",
+        "tag": payment_options.tag,
+        "subscription": {
+            "checking_id": checking_id,
+            "payment_request": payment_request,
+        },
+    }
+
+    lnbits_payment = await create_fiat_invoice(
+        wallet_id=wallet_id,
+        invoice_data=CreateInvoice(
+            unit=currency,
+            amount=amount / 100,
+            memo=payment_options.memo or "",
+            extra=extra,
+            fiat_provider="square",
+            external_id=square_subscription_id,
+        ),
+    )
+
+    await check_fiat_status(lnbits_payment)
+
+
+def _square_payment_options_from_payment(
+    payment: Payment,
+) -> FiatSubscriptionPaymentOptions:
+    extra = payment.extra or {}
+    return FiatSubscriptionPaymentOptions(
+        wallet_id=payment.wallet_id,
+        tag=extra.get("tag") or payment.tag,
+        subscription_request_id=extra.get("subscription_request_id"),
+        extra=extra,
+        memo=payment.memo,
+    )
+
+
+def _square_extract_payment(event: dict) -> dict:
+    event_object = event.get("data", {}).get("object", {})
+    return event_object.get("payment") or event_object
+
+
+def _square_payment_is_completed(payment: dict) -> bool:
+    return (payment.get("status") or "").upper() == "COMPLETED"
+
+
+def _square_payment_note(payment: dict) -> str:
+    return payment.get("note") or payment.get("payment_note") or ""
+
+
+def _deserialize_square_metadata(custom_id: str) -> FiatSubscriptionPaymentOptions:
+    try:
+        meta = json.loads(custom_id)
+        if not isinstance(meta, list):
+            return FiatSubscriptionPaymentOptions()
+        wallet_id = meta[0] if len(meta) > 0 else None
+        tag = meta[1] if len(meta) > 1 else None
+        subscription_request_id = meta[2] if len(meta) > 2 else None
+        extra_link = meta[3] if len(meta) > 3 else None
+        memo = meta[4] if len(meta) > 4 else None
+
+        extra = {
+            "link": extra_link,
+            "subscription_request_id": subscription_request_id,
+        }
+
+        return FiatSubscriptionPaymentOptions(
+            wallet_id=wallet_id,
+            tag=tag,
+            subscription_request_id=subscription_request_id,
+            extra=extra,
+            memo=memo,
+        )
+    except (json.JSONDecodeError, IndexError, TypeError):
+        return FiatSubscriptionPaymentOptions()
@@ -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,
@@ -263,6 +263,7 @@ async def api_payments_create(
            payment_request=invoice_data.bolt11,
            extra=invoice_data.extra,
            labels=invoice_data.labels,
+            external_id=invoice_data.external_id,
        )
        return payment