HTTP Status Codes
Complete reference for HTTP response status codes
Web Development
1xx Informational
100Continue
101Switching Protocols
102Processing
2xx Success
200OK - Request succeeded
201Created - Resource created
204No Content - Success with no body
206Partial Content - Range request
3xx Redirection
301Moved Permanently
302Found (Temporary Redirect)
304Not Modified (Cached)
307Temporary Redirect
308Permanent Redirect
4xx Client Errors
400Bad Request
401Unauthorized
403Forbidden
404Not Found
405Method Not Allowed
409Conflict
422Unprocessable Entity
429Too Many Requests
5xx Server Errors
500Internal Server Error
501Not Implemented
502Bad Gateway
503Service Unavailable
504Gateway Timeout