api_key_not_found

No such API key. Answered with 404.

What it means

The Org holds no API Key with that id. A revoked key keeps its row and stays visible; an id from another Org never is.

What to do

List the Org's keys with GET /api/keys and use an id from there.

The body

{
  "type": "https://tigby.eu/problems/api_key_not_found",
  "title": "No such API key",
  "status": 404,
  "detail": "…what was refused, naming this request's own values",
  "code": "api_key_not_found",
  "doc_url": "https://docs.tigby.eu/errors/api_key_not_found",
  "agent_hint": "…the next step, for software"
}

Branch on code. The detail names this request's own Handle, id or limit and is not part of the contract.