401
Unauthorized
4xx Client ErrorWhat It Means
The request requires user authentication. The client must authenticate itself.
When You'll See It
Returned when an API request is missing or has an invalid authentication token.
Related Status Codes
Frequently Asked Questions
What does HTTP 401 mean?
HTTP 401 Unauthorized means: The request requires user authentication. The client must authenticate itself.
When does a server return 401?
Returned when an API request is missing or has an invalid authentication token.
Is 401 a client error or server error?
HTTP 401 is a Client Error (4xx) response. This means the issue is on the client side — the request was incorrect or unauthorized.
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