Meaning
Authentication is required but missing, expired, or invalid.
Causes
- Expired session
- Missing token/key
- Invalid auth header
Fixes
- Sign in again
- Refresh the token
- Include valid credentials in the request
Example
HTTP/1.1 401 Unauthorized
FAQ
- It happens even after login?
Your token may be expired or lacking required scope. - What if it keeps happening?
Refresh the token and verify permission scopes.
Contact
Contact support if you suspect an account issue.