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Idempotency key reused

idempotency_key_reusedHTTP 409Don't retry

What happened

This Idempotency-Key was already used for a different request. Nothing new was done.

What to do next

Resend the original body unchanged with this key, or use a new key only if this is genuinely a different request.

Can you retry?

Don't retry. Don't repeat this request. Fix what the response describes, or stop and report it. retry: never

Who acts

You: the software that sent the request. who_acts: caller

Don't

  • Don't send the same request again unchanged; it will be refused the same way. repeat_unchanged

Example response

Sent as application/problem+json. The detail describes the particular request; keep request_id for support.

{
  "type": "https://docs.perionpayments.com/problems/idempotency-key-reused",
  "title": "Idempotency key reused",
  "status": 409,
  "code": "idempotency_key_reused",
  "detail": "This Idempotency-Key was already used for a different request. Nothing new was done.",
  "request_id": "req_8YkQ2rL0ZtW4",
  "retryable": false,
  "retry": "never",
  "who_acts": "caller",
  "next_step": "Resend the original body unchanged with this key, or use a new key only if this is genuinely a different request.",
  "do_not": [
    "repeat_unchanged"
  ]
}

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