Comprehensive HTTP status code reference covering informational, success, redirection, client error, and server error responses, plus debugging and API usage patterns.
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HTTP Status Codes Cheat Sheets
HTTP status code meanings, debugging patterns, and API response guidance.
Popular in HTTP Status Codes
Quick picks to get you started.
HTTP Common Errors and Debugging
Common HTTP status code comparisons, cURL debugging recipes, and troubleshooting patterns.
Updated 3/7/2026
HTTP 5xx Server Error Status Codes
Server error responses like 500, 502, 503, and 504.
Updated 3/7/2026
HTTP 4xx Client Error Status Codes
Client error responses like 400, 401, 403, 404, 409, 422, and 429.
Updated 3/7/2026
HTTP 3xx Redirect Status Codes
Redirection responses like 301, 302, 307, and 308.
Updated 3/7/2026
HTTP 2xx Success Status Codes
Successful responses like 200 OK, 201 Created, and 204 No Content.
Updated 3/7/2026
HTTP 1xx Informational Status Codes
Informational responses like 100 Continue and 103 Early Hints.
Updated 3/7/2026
All HTTP Status Codes sheets
7 published sheets · sorted by recently updated.
HTTP Common Errors and Debugging
Common HTTP status code comparisons, cURL debugging recipes, and troubleshooting patterns.
Updated 3/7/2026
HTTP 5xx Server Error Status Codes
Server error responses like 500, 502, 503, and 504.
Updated 3/7/2026
HTTP 4xx Client Error Status Codes
Client error responses like 400, 401, 403, 404, 409, 422, and 429.
Updated 3/7/2026
HTTP 3xx Redirect Status Codes
Redirection responses like 301, 302, 307, and 308.
Updated 3/7/2026
HTTP 2xx Success Status Codes
Successful responses like 200 OK, 201 Created, and 204 No Content.
Updated 3/7/2026
HTTP 1xx Informational Status Codes
Informational responses like 100 Continue and 103 Early Hints.
Updated 3/7/2026
HTTP Status Codes Cheat Sheet
Comprehensive HTTP status code reference with meanings, examples, and debugging guidance.
Updated 3/7/2026