HTTP Status Code Lookup
Search the full set of standard HTTP response status codes by number or by name and read a plain language explanation of what each one means and which category it belongs to. Type 404 to jump straight to Not Found, or type a word like timeout or redirect to see every related code. The codes are grouped the way the specification defines them: informational, successful, redirection, client error and server error, so you can quickly tell whether a response indicates a problem on the caller side or the server side. This is a fast reference when you hit an unfamiliar code while debugging an API, reading server logs or checking a curl response. Every code and description is built into the page, so it works completely offline and instantly, with no lookups and nothing sent anywhere.
How to use HTTP Status Code Lookup
- Type a status code number or name.
- Read its meaning and category.
- Browse related codes in the same class.
Frequently asked questions
Which status codes are covered?
It covers the standard HTTP status codes across the 1xx, 2xx, 3xx, 4xx and 5xx categories with each code name and meaning.
What does a 4xx versus 5xx code mean?
A 4xx code signals a client side error such as a bad request or missing resource, while a 5xx code signals a server side failure.
Can I search by name instead of number?
Yes, search by the number like 404 or by the name like Not Found to jump to the code you want.
What is HTTP Status Code Lookup?
Search the full set of standard HTTP response status codes by number or by name and read a plain language explanation of what each one means and which category it belongs to. Type 404 to jump straight to Not Found, or type a word like timeout or redirect to see every related code.
Is HTTP Status Code Lookup free to use?
Yes. HTTP Status Code Lookup is completely free, with no sign-up and no usage limits.
Does HTTP Status Code Lookup work in a web browser?
Yes. HTTP Status Code Lookup runs in any modern web browser. There is nothing to download or install.
Is my data private with HTTP Status Code Lookup?
Yes. HTTP Status Code Lookup runs entirely on your device in your browser, so nothing you enter is uploaded to a server.
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