idempotency_conflict_in_progress

Another request with the same Idempotency-Key is still in flight.

How to resolve: Wait for the original request to finish. The API will replay that request’s response.

Error shape

Every Spacefast API error is an RFC 9457 problem document, served as application/problem+json.

code is stable and machine-readable.
type links to this page.
title is a short label.
status repeats the HTTP status.
detail explains this occurrence.
pointer, when present, is an RFC 6901 JSON Pointer at the offending field in the request body.
details, when present, carries structured context.

Match on code, never on detail.

{
  "type": "https://spacefast.com/docs/errors/idempotency_conflict_in_progress",
  "title": "Idempotency conflict in progress",
  "status": 400,
  "detail": "Another request with the same Idempotency-Key is still in flight.",
  "code": "idempotency_conflict_in_progress",
  "requestId": "req_4mz0v8qk"
}

See the full list of error codes in the error reference.