Idempotency request in progress - Vaquill AI


Code	`idempotency_in_progress`
HTTP status	`409`
Retryable	Yes
Python	`vaquill.IdempotencyInProgressError`
TypeScript	`IdempotencyInProgressError`

What it means

The original request with this Idempotency-Key is still running.

What to do

Wait briefly and resend the same request with the same key. The SDKs retry this code automatically.

Example response

The detail text is illustrative and can differ by endpoint. retryAfterSeconds appears only on a 429 or 503 that carries a Retry-After header.

{
  "type": "https://www.vaquill.ai/docs/errors/idempotency_in_progress",
  "title": "Idempotency request in progress",
  "status": 409,
  "detail": "A request with this idempotency key is still in progress",
  "code": "idempotency_in_progress",
  "retryable": true,
  "requestId": "3f2b8c1e-5a7d-4e9b-9c34-0d6a1b2f7e58"
}

In the SDKs

The Python SDK raises IdempotencyInProgressError and the TypeScript SDK raises IdempotencyInProgressError. Both expose code, retryable, the request id and the retry hint. See Error codes for the full table and attribute names.

Last modified on October 29, 2026