- 100 Continue
- 101 Switching protocol
200s - Success
- 200 OK
- 201 Created
- 202 Accepted
- 204 Not content
- 206 Partial content
300s - Redirection
- 301 Moved permanently
- 304 Not modified
- 307 Temporary redirect
- 308 Permanent redirect
400s - Client Errors
- 400 Bad request
- 401 Unauthorized
- 403 Forbidden
- 404 Not found
- 408 Request timeout
- 429 Too many requests
500s - Server Errors
- 500 Internal server error
- 501 Not implemented
- 502 Bad gateway
- 503 Unavailable
- 504 Gateway timeout
- 511 Network authentication required