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HTTP Status Codes

View the full list of HTTP status codes colour-coded by class: 2xx success, 3xx redirects, 4xx client errors, and 5xx server errors. Search by code number or keyword to quickly look up the meaning, common causes, and typical fixes — essential when developing or debugging APIs and web services.

2xx3xx4xx5xx

Code	Range	Name	Description
200	Success	OK	The request was successful.
201	Success	Created	A new resource was created as a result.
204	Success	No Content	Request succeeded but no content to return.
301	Redirection	Moved Permanently	The resource has permanently moved to a new URL.
302	Redirection	Found	The resource is temporarily located at a different URL.
304	Redirection	Not Modified	The resource has not been modified. Use cached version.
400	Client Error	Bad Request	The server could not understand the request syntax.
401	Client Error	Unauthorized	Authentication is required. Login needed.
403	Client Error	Forbidden	The server understood but refuses due to insufficient permissions.
404	Client Error	Not Found	The requested resource could not be found.
405	Client Error	Method Not Allowed	The HTTP method used is not allowed for this resource.
408	Client Error	Request Timeout	The server timed out waiting for the request.
409	Client Error	Conflict	The request conflicts with the current state of the resource.
413	Client Error	Payload Too Large	The request body exceeds the server limit.
429	Client Error	Too Many Requests	Too many requests sent. Please slow down.
500	Server Error	Internal Server Error	The server encountered an unexpected error.
502	Server Error	Bad Gateway	The gateway received an invalid response from the upstream server.
503	Server Error	Service Unavailable	The server is temporarily unavailable.
504	Server Error	Gateway Timeout	The gateway did not receive a timely response from the upstream server.

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HTML Entities Reference

Find HTML entities for reserved characters like &, <, and >, as well as copyright symbols, arrows, and mathematical operators — each shown with both its named and numeric code. Search by character or description to locate the entity you need, then click to copy the code to your clipboard for immediate use in HTML or CSS.

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FAQ

How do I fix a 404 error?▼

Check if the URL is correct. If the page moved, set up a 301 redirect. As a site owner, create a custom 404 page to guide users.

What's the difference between 301 and 302 redirects?▼

301 is permanent — search engines transfer indexing to the new URL. 302 is temporary — the original URL keeps its indexing.