HTTP status codes

Here’s a clear and concise list of the main HTTP status codes grouped by category, along with what they mean 👇

These indicate that the request was received and understood, and the server is continuing the process.

Code	Meaning	Description
100	Continue	The client should continue with its request.
101	Switching Protocols	Server is switching protocols as requested.
102	Processing	The server is still processing the request (WebDAV).

These mean the request was successfully received, understood, and accepted.

Code	Meaning	Description
200	OK	Standard success response.
201	Created	Resource successfully created.
202	Accepted	Request accepted but not yet processed.
204	No Content	Request successful but no content to send back.
206	Partial Content	Partial response (used in range requests).

The client must take additional action to complete the request.

Code	Meaning	Description
301	Moved Permanently	Resource has a new permanent URL.
302	Found	Temporarily redirected to another URL.
303	See Other	Use GET to retrieve the resource.
304	Not Modified	Cached version is still valid.
307	Temporary Redirect	Temporary redirect; method must not change.
308	Permanent Redirect	Resource permanently moved (method preserved).

These indicate that the client seems to have made an error.

Code	Meaning	Description
400	Bad Request	Invalid request syntax or parameters.
401	Unauthorized	Authentication required or failed.
403	Forbidden	Client is not allowed to access this resource.
404	Not Found	Resource could not be found.
405	Method Not Allowed	HTTP method not supported for the resource.
408	Request Timeout	Server timed out waiting for the request.
409	Conflict	Request conflicts with current state of resource.
410	Gone	Resource no longer available.
413	Payload Too Large	Request body is too large.
414	URI Too Long	The requested URI is too long.
415	Unsupported Media Type	Server doesn’t support the request format.
429	Too Many Requests	Client sent too many requests in a given time.

These mean the server failed to fulfill a valid request.

Code	Meaning	Description
500	Internal Server Error	Generic error when server fails unexpectedly.
501	Not Implemented	Server doesn’t support the request method.
502	Bad Gateway	Invalid response from upstream server.
503	Service Unavailable	Server is down or overloaded.
504	Gateway Timeout	Upstream server failed to respond in time.
505	HTTP Version Not Supported	Server doesn’t support the HTTP version used.