idempotency_key_reused
Idempotency-Key already used · HTTP 422
When you get this error
You sent an Idempotency-Key that was already used for a different request, with a different path or body.
What to do
Use a new key for every new request. The same key only belongs with a repeat of exactly the same request.
Example
application/problem+json
{
"type": "https://developers.mitgliederbuch.de/errors/idempotency_key_reused",
"title": "Idempotency-Key already used",
"status": 422,
"detail": "This Idempotency-Key was already used for a different request. Use a new key for every new request.",
"instance": "/v2/members"
}The type field is the same in every language; title and detail follow Accept-Language. Build your error handling on type.