Rest API - Authentication and Authorization
Which HTTP status code is most appropriate for a failed token refresh due to an invalid refresh token?
Which HTTP status code is most appropriate for a failed token refresh due to an invalid refresh token?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify status code for authentication failure
401 Unauthorized indicates the client failed to provide valid authentication credentials.Step 2: Exclude other status codes
200 means success, 302 is redirect, 500 is server error, none fit invalid token scenario.Final Answer:
401 Unauthorized -> Option CQuick Check:
Invalid token response = 401 Unauthorized [OK]
Quick Trick: Use 401 for invalid or expired tokens [OK]
Common Mistakes:
- Using 200 OK for failed refresh
- Confusing 401 with 403 Forbidden
- Using 500 for client errors
Master "Authentication and Authorization" in Rest API
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