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HTTP Status Codes
Complete Reference Guide
Code
Status
Description / Common Causes
Tip: Check status codes with curl -I https://example.com or browser DevTools (F12 → Network tab).
For API debugging, use curl -v for verbose output including headers.
1xx Informational
100 Continue 101 Switching Protocols 102 Processing 103 Early Hints
2xx Success
200 OK 201 Created 204 No Content 206 Partial Content
3xx Redirection
301 Moved Permanently 302 Found (Temporary) 304 Not Modified 307 Temporary Redirect
4xx Client Errors
400 Bad Request 401 Unauthorized 403 Forbidden 404 Not Found
5xx Server Errors
500 Internal Server Error 502 Bad Gateway 503 Service Unavailable 504 Gateway Timeout
CyberWV Tools · HTTP Status Codes Reference