API is online and free to use
HTTP Status Codes Reference & API
Complete documentation of all HTTP status codes with a free testing API. Learn, test, and build with confidence.
Quick Start
Test any HTTP status code with a simple request. Our API returns the exact status code you request, along with useful metadata.
1
Make a request
Use curl, HTTPie, or any HTTP client
2
Get the response
Receive the exact status code with JSON metadata
3
Customize
Add delays, custom headers, and more
terminal
curl https://codes.uncodigo.com/http/404
# Or with custom options
curl "https://codes.uncodigo.com/http/200?delay=1000" Popular Codes
View all 200 Success
OK
The request has succeeded. The meaning of the success depends on the HTTP method used.
404 Client Error
Not Found
The requested resource could not be found on the server.
500 Server Error
Internal Server Error
The server encountered an unexpected condition that prevented it from fulfilling the request.
418 Client Error
I'm a Teapot
Any attempt to brew coffee with a teapot should result in the error code 418.
69
Status Codes
5
Categories
100%
Free API