OpenAPI Spec (preview)
{
"openapi": "3.1.0",
"info": {
"title": "Pain001 REST API",
"description": "RESTful API for ISO 20022 **pain.001** / **pain.008** XML generation and\nvalidation.\n\n* **Versioned** \u2014 all endpoints are served under `/api/v1`; the unversioned\n `/api/*` paths remain as a backwards-compatible alias.\n* **Authenticated** \u2014 set `PAIN001_API_KEY` to require a\n `Authorization: Bearer <key>` header (open in local development).\n* **Rate limited** \u2014 set `PAIN001_RATE_LIMIT`