Enter a code
Type a status code such as 404.
Code & Data Tool
HTTP Status Code Lookup
Look up HTTP status codes with a simple explanation.
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About this tool
What is HTTP Status Code Lookup?
HTTP Status Code Lookup explains HTTP status codes in plain language, so you know what 404, 301 or 503 actually mean when an API or website returns them.
Useful when you need to
- Debug an API response
- Study for a web development course
- Explain an error to a teammate
How to use
How to use HTTP Status Code Lookup
01 02 Look it up
Run the lookup.
03 Read the explanation
See what the code means.
04 Use it
Apply it to your debugging.
Tips
Get better results
- Codes are grouped: 2xx success, 3xx redirect, 4xx client error, 5xx server error.
- A 4xx usually means the request needs fixing, a 5xx means the server had a problem.
FAQ
Frequently asked questions
What does 404 mean?
The requested resource was not found.
Is it private?
Yes.
What is the difference between 401 and 403?
401 means authentication is needed, 403 means you are not allowed even if authenticated.
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