Missing API key

The X-Api-Key header is absent or empty.

Server-side requests must include a valid API key through the X-Api-Key header.

Response

All error responses follow the Problem Details (RFC 9457) format. The type, title, status, and detail fields are always present, while instance may be omitted depending on the API.

Here is an example of the response returned for this error:

{  "type": "https://croct.help/api/authentication/missing-api-key",  "title": "The API key is missing.",  "status": 401,  "detail": "The request must include an API key, but none was provided.",  "instance": "/client/web/content"}