HTTP Status Code Reference
Look up HTTP status codes and their meanings
How to Use HTTP Status Code Reference
- Enter a status code number
- Or browse by category (1xx, 2xx, 3xx, 4xx, 5xx)
- See the code's meaning and description
- Learn when each code is used
About HTTP Status Code Reference
Quick reference for all HTTP status codes. Look up any status code to see its meaning, category, and common use cases. Essential for API development and debugging.
Frequently Asked Questions
What status code categories exist?
1xx (informational), 2xx (success), 3xx (redirection), 4xx (client error), 5xx (server error).
What's the most common success code?
200 OK is the standard response for successful HTTP requests.
What's the difference between 401 and 403?
401 means authentication is required. 403 means you're authenticated but not authorized.