Unknown application ID

The X-App-Id value is a valid UUID but does not match any registered application.

Verify the application ID against the one shown in the application settings.

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/unknown-public-id",  "title": "The application ID is unknown.",  "status": 401,  "detail": "The provided application public ID does not exist.",  "instance": "/client/web/content"}