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General ER:LC FiveM API
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DOCUMENTATION/Public API v1

Idempotency

How to retry an API v1 POST without creating anything twice, with the Idempotency-Key header.

If the network drops or your timeout fires, you do not know whether your POST arrived. With the Idempotency-Key header, retrying is safe: the first response is stored, and any repeat with the same key gets that same response, with an Idempotent-Replayed: true header, without creating anything new.
NOTE If the network drops or your timeout fires, you do not know whether your POST arrived. With the Idempotency-Key header, retrying is safe: the first response is stored, and any repeat with the same key gets that same response, with an Idempotent-Replayed: true header, without creating anything new.
NOTE
POST /citations, POST /calls, POST /sanctions and POST /webhooks accept it. Without the header, the POST goes through as is.
The key is 1 to 100 characters: letters, digits, _, -, : and dot. Otherwise, 400 invalid_idempotency_key. A new UUID per operation works well.
It is per server and is kept for at least 24 hours.
The same key with a different body or on another route is your mistake, not a retry: 422 idempotency_key_reused. The order of JSON fields does not matter.
While the first one is still running, 409 idempotency_in_progress: wait and retry.
A 4xx error is also the answer to that key and is repeated as is. A 5xx is not stored: retrying really tries again.
For CAD calls, the key is also stored on the call itself: a retry never creates a second one.
curl -X POST "https://api.blixye.com/v1/calls" \ -H "Authorization: Bearer bx_live_…" \ -H "Content-Type: application/json" \ -H "Idempotency-Key: 0b6f3c7e-2d4a-4e31-9a55-6c1f8d2b7e90" \ -d '{"title":"Shots fired","priority":2,"location":"Vespucci Beach"}'
curl -X POST "https://api.blixye.com/v1/calls" \ -H "Authorization: Bearer bx_live_…" \ -H "Content-Type: application/json" \ -H "Idempotency-Key: 0b6f3c7e-2d4a-4e31-9a55-6c1f8d2b7e90" \ -d '{"title":"Shots fired","priority":2,"location":"Vespucci Beach"}'
NOTE curl -X POST "https://api.blixye.com/v1/calls" \ -H "Authorization: Bearer bx_live_…" \ -H "Content-Type: application/json" \ -H "Idempotency-Key: 0b6f3c7e-2d4a-4e31-9a55-6c1f8d2b7e90" \ -d '{"title":"Shots fired","priority":2,"location":"Vespucci Beach"}'
Store the key before sending the request and use the SAME one on every retry of that operation. PATCH, DELETE and webhook secret rotation do not accept it.
NOTE Store the key before sending the request and use the SAME one on every retry of that operation. PATCH, DELETE and webhook secret rotation do not accept it.
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