ROOKDocs
POST

Create a responder endpoint

ENDPOINT/v1/responder-endpoints

Enrolls an HTTPS URL to receive real-time decisioning callbacks. type is AUTH_STREAM or TOKENIZATION_DECISIONING. A program may enroll at most one endpoint per type. Send Idempotency-Key so retries return the original endpoint. This operation is program-scoped.

Authentication & Headers

HeaderTypeRequirementDescription
AuthorizationstringREQUIREDAPI key passed as an HTTP Bearer token: Bearer rk_live_...
X-Program-IDUUIDPROGRAM-SCOPEDProgram boundary UUID that scopes the issuing card, wallet, or transfer.
Content-TypestringREQUIREDMust be application/json.
Idempotency-KeystringOPTIONALUnique UUID to prevent duplicate execution of financial creations or mutations.

Request Body Schema

application/json
typestring
REQUIRED

Callback family this responder handles. `AUTH_STREAM` receives authorization-request callbacks. `TOKENIZATION_DECISIONING` receives digital-wallet tokenization decisions.

Enum values:AUTH_STREAMTOKENIZATION_DECISIONING
urlstringuri
REQUIRED

HTTPS endpoint that receives POST callbacks.

enrollment_statusstring
optional

Initial enrollment. Omit to create `ENROLLED`. `DISABLED` stores the URL without receiving callbacks.

Enum values:ENROLLEDDISABLED

Response Codes & Schemas

201The responder endpoint was enrolled.
application/json
{
  "id": "e1b6c4d3-7f9d-4125-c248-5a1d3f0e6274",
  "object": "responder_endpoint",
  "type": "AUTH_STREAM",
  "url": "https://example.com/authorization-stream",
  "enrollment_status": "ENROLLED",
  "created_at": "2026-08-15T16:00:00Z",
  "updated_at": "2026-08-15T16:00:00Z"
}
400Bad Request: malformed JSON, failed schema validation, or conflicting parameters.
application/json
{
  "error": {
    "type": "invalid_request_error",
    "code": "invalid_request",
    "message": "invalid order by: foo. Valid options are: [created_at updated_at]",
    "param": "order_by",
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/invalid_request"
  }
}
401Unauthorized: missing, malformed, or unknown API key.
application/json
{
  "error": {
    "type": "authentication_error",
    "code": "authentication_error",
    "message": "A valid API key is required.",
    "param": null,
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/authentication_error"
  }
}
403Forbidden: the API key is denied by RBAC, or it cannot access this program. A resource that exists on another program or organization returns `404 not_found`, not `403`.
application/json
{
  "error": {
    "type": "permission_error",
    "code": "permission_denied",
    "message": "The API key cannot access this program.",
    "param": "X-Program-ID",
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/permission_denied"
  }
}
404Not Found: unknown id, or the resource is not visible to this API key.
application/json
{
  "error": {
    "type": "not_found_error",
    "code": "not_found",
    "message": "No card found for the given id.",
    "param": "card_id",
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/not_found"
  }
}
409Conflict: incompatible state, or Idempotency-Key reused with a different body.
application/json
{
  "error": {
    "type": "conflict_error",
    "code": "conflict",
    "message": "The card cannot be reissued from its current state.",
    "param": null,
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/conflict"
  }
}
422Unprocessable Entity: the document is valid JSON but violates a business rule.
application/json
{
  "error": {
    "type": "invalid_request_error",
    "code": "insufficient_funds",
    "message": "The source financial account does not have enough available balance.",
    "param": "amount",
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/insufficient_funds"
  }
}
429Too Many Requests: the API key exceeded its rate limit.
application/json
{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limited",
    "message": "Rate limit exceeded. Retry after the number of seconds in Retry-After.",
    "param": null,
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/rate_limited"
  }
}
500Internal Server Error: unexpected failure. Retry with the same Idempotency-Key.
application/json
{
  "error": {
    "type": "api_error",
    "code": "internal_error",
    "message": "An unexpected error occurred. Retry with the same Idempotency-Key.",
    "param": null,
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/internal_error"
  }
}