H
http-401
Easy Fix
HTTP API · API Responses
HTTP 401 Unauthorized indicates authentication token missing or invalid for this API request path.
Quick Answer
Error code HTTP-401 on your HTTP API API Responses means: HTTP 401 Unauthorized indicates authentication token missing or invalid for this API request path.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. The endpoint returned 401 because authentication token missing or invalid.
  2. Client request structure, authorization context, or resource assumptions do not match API contract.
  3. Current retry/validation strategy does not fully account for HTTP 401 behavior in this workflow.
How to Fix It
1
Inspect API logs/traces for HTTP 401 with full request/response metadata.
2
Validate request construction against endpoint spec focusing on: authentication token missing or invalid.
3
Fix client auth, payload, headers, or resource assumptions before retrying.
4
Add explicit handling path for HTTP 401 in SDK/service code.
5
Run regression tests to confirm HTTP 401 no longer appears unexpectedly.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
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