HTTP Status Codes
Complete reference guide
100
Continue
The server received the request headers, continue sending the body
101
Switching Protocols
The server is switching protocols as requested
200
OK
The request was successful
201
Created
A new resource was created
204
No Content
Success, but no content to return
206
Partial Content
Partial content delivered (range request)
301
Moved Permanently
Resource has been permanently moved to a new URL
302
Found
Resource temporarily at a different URL
304
Not Modified
Resource has not changed since last request
307
Temporary Redirect
Temporary redirect, keep original method
308
Permanent Redirect
Permanent redirect, keep original method
400
Bad Request
The request was malformed or invalid
401
Unauthorized
Authentication is required
403
Forbidden
You do not have permission to access this resource
404
Not Found
The requested resource was not found
405
Method Not Allowed
The HTTP method is not supported for this resource
408
Request Timeout
The server timed out waiting for the request
409
Conflict
The request conflicts with current state of the resource
413
Payload Too Large
The request body is too large
415
Unsupported Media Type
The media type is not supported
422
Unprocessable Entity
The request is valid but cannot be processed
429
Too Many Requests
Rate limit exceeded
500
Internal Server Error
The server encountered an unexpected error
502
Bad Gateway
The server received an invalid response from upstream
503
Service Unavailable
The server is temporarily unable to handle requests
504
Gateway Timeout
The upstream server timed out