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HTTP Status Code Reference

Complete dictionary of standard HTTP response status codes with descriptions and browser behaviors.

200

OK

2xx

The request has succeeded. Standard response for successful HTTP requests.

201

Created

2xx

The request has succeeded and a new resource has been created as a result.

204

No Content

2xx

The server successfully processed the request, but is not returning any content.

301

Moved Permanently

3xx

The target resource has been assigned a new permanent URI. Good for SEO redirects.

302

Found (Temporary Redirect)

3xx

The target resource resides temporarily under a different URI.

304

Not Modified

3xx

Indicates that the resource has not been modified since the version specified in request headers.

400

Bad Request

4xx

The server cannot process the request due to client error (e.g. malformed syntax).

401

Unauthorized

4xx

Authentication is required and has failed or has not yet been provided.

403

Forbidden

4xx

The client does not have access rights to the content; unlike 401, identity is known to the server.

404

Not Found

4xx

The server can not find the requested resource. The URL is not recognized.

405

Method Not Allowed

4xx

The request method is known by the server but is not supported by the target resource.

429

Too Many Requests

4xx

The user has sent too many requests in a given amount of time (Rate limiting).

500

Internal Server Error

5xx

The server has encountered a situation it does not know how to handle.

502

Bad Gateway

5xx

The server, while acting as a gateway or proxy, received an invalid response.

503

Service Unavailable

5xx

The server is not ready to handle the request, commonly due to maintenance or overload.

504

Gateway Timeout

5xx

The server, while acting as a gateway or proxy, did not get a response in time.

About HTTP Status Code Reference & Lookup

Welcome to the ultimate online HTTP Status Code Reference & Lookup. Instant lookup for HTTP response codes (1xx-5xx), status meanings, and debugging guidelines. Whether you are a developer, designer, or general user, this tool is designed to be fast, responsive, and easy to use. No installation is requiredβ€”just use it directly from your browser. Our HTTP Status Code Reference & Lookup is optimized for performance and accuracy, ensuring you get the best results instantly.

Frequently Asked Questions

What is HTTP Status Code Reference & Lookup?

HTTP Status Code Reference & Lookup is a free online tool that allows you to easily instant lookup for http response codes (1xx-5xx), status meanings, and debugging guidelines. without needing any specialized software.

Is this tool free?

Yes! All tools on our platform, including the HTTP Status Code Reference & Lookup, are completely free to use.

Do I need to download anything?

No, this tool works entirely in your web browser. There is no software to download or install.

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