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authentication_required

Open in ClaudeOpen in ChatGPTllms-full.txt

HTTP 401 · Authentication required

The request had no API key. Send it as Authorization: Bearer flt_….

What to do

Add the header Authorization: Bearer <your key>. Keys are created in Settings → Developers.

Do not retry automatically: the same request will fail the same way.

Example

{
  "type": "https://developers.get-fleet.com/errors/authentication_required",
  "title": "Authentication required",
  "status": 401,
  "code": "authentication_required",
  "detail": "The request had no API key. Send it as `Authorization: Bearer flt_…`.",
  "request_id": "req_7Hx2mQ9vLk3Pz8Rt1Ws4Yb6N"
}

All error codes · Handling errors