HTTP Status Codes Reference
Runs 100% in your browser — your files never leave your device.
Remembering whether a condition maps to 409, 422, 423, or 429 is harder than remembering what went wrong. Search the complete response-code list by number or name and browse informational, success, redirect, client-error, and server-error groups.
How it works
- 1
Search a code or phrase
- 2
Review the response category
- 3
Use the canonical reason phrase
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