Docs · error · HTTP 401

-32001 Invalid or missing API key

The request carried no usable bearer key: missing header, wrong prefix, or a revoked key.

What to do

  1. Send the key as `Authorization: Bearer fy_…`
  2. Revoked keys stop instantly — create a new one under API keys
  3. Agents: claim a budgeted key of your own via the MCP claim tools

Where it lives: /api_keys · the support playbook for this code is "Invalid or missing API key".

The exact answer

HTTP 401
{
  "error": {
    "code": -32001,
    "message": "Invalid or missing API key",
    "data": {
      "request_id": "<uuid>",
      "support": "/support/new?request_id=<uuid>"
    }
  }
}

All codes: error decoder · methods and limits · file it: /support/new?request_id=….