Missing, expired or invalid access token.

The access token does not carry the scope this operation requires.

Not found. On list endpoints a 404 whose body has total: 0 means nothing matched; any other 404 is a real error, such as an unknown ID.

Invalid query parameters or path. The body names the failing input.

Unexpected server error. Retry with exponential backoff.

Service temporarily unavailable. Retry with exponential backoff.