HTTP Status Codes
Free HTTP status code reference. Search and look up all HTTP status codes (1xx-5xx) with descriptions. Includes 200, 404, 500, and all standard codes.
Continue
The server has received the request headers and the client should proceed to send the request body.
Switching Protocols
The requester has asked the server to switch protocols and the server has agreed.
OK
The request has succeeded.
Created
The request has been fulfilled and resulted in a new resource being created.
Accepted
The request has been accepted for processing, but processing has not been completed.
No Content
The server successfully processed the request and is not returning any content.
Partial Content
The server is delivering only part of the resource due to a range header.
Moved Permanently
This and all future requests should be directed to the given URI.
Found
The resource was found but at a different URI. Tells client to use the new URI temporarily.
Not Modified
The resource has not been modified since the last request. Use cached version.
Temporary Redirect
The request should be repeated with another URI, but method must not change.
Permanent Redirect
The request and all future requests should be repeated with a new URI.
Bad Request
The server cannot process the request due to a client error (malformed syntax).
Unauthorized
Authentication is required and has failed or has not been provided.
Forbidden
The request was valid but the server is refusing action. The user might not have permissions.
Not Found
The requested resource could not be found on the server.
Method Not Allowed
The request method is not supported for the requested resource.
Request Timeout
The server timed out waiting for the request.
Conflict
The request could not be processed because of conflict in the current state of the resource.
Gone
The resource is no longer available and will not be available again.
I'm a Teapot
The server refuses to brew coffee because it is a teapot. (April Fools joke)
Unprocessable Entity
The request was well-formed but was unable to be followed due to semantic errors.
Too Many Requests
The user has sent too many requests in a given amount of time (rate limiting).
Internal Server Error
A generic error message for unexpected server errors.
Not Implemented
The server does not recognize the request method, or lacks the ability to fulfill it.
Bad Gateway
The server received an invalid response from an upstream server.
Service Unavailable
The server is currently unavailable (overloaded or down for maintenance).
Gateway Timeout
The upstream server failed to send a request in time.
Network Authentication Required
The client needs to authenticate to gain network access.
About the HTTP Status Codes
The HTTP Status Codes runs entirely in your browser. Your data stays on your device — there's no upload to any server.
Free HTTP status code reference. Search and look up all HTTP status codes (1xx-5xx) with descriptions. Includes 200, 404, 500, and all standard codes. Free, no sign-up, privacy-first.
How to use the HTTP Status Codes
Look up HTTP status codes and their meanings. A quick reference for developers debugging APIs and web responses.
- 1
Search or browse
Type a status code in the search box to jump to it, or browse the full list grouped by category.
- 2
Review the details
Each code shows its name, category (1xx–5xx), and a short description of when it's returned.
- 3
Copy for reference
Click any code to copy it, or note the category for quick recall during debugging.
Tips
- •2xx codes mean success, 3xx are redirects, 4xx are client errors, and 5xx are server errors.
- •404 (Not Found) and 500 (Internal Server Error) are the most common codes you'll encounter.
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Frequently Asked Questions
Is the HTTP status codes reference free?
Yes, our HTTP status codes reference is completely free. You can browse and search all status codes with no sign-up required.
What HTTP status codes are included?
We cover all standard HTTP status codes across the 1xx (informational), 2xx (success), 3xx (redirection), 4xx (client error), and 5xx (server error) categories.
Can I search for a specific status code?
Yes. Use the search box to find a code by number or keyword. Results filter instantly as you type.
Does the reference work offline?
Yes. Once the page loads, all status code data is available in your browser and works without an internet connection.