📖 Read the full HTTP Status Code Lookup guide — how it works, examples & FAQ →
How to use this tool
- Enter the HTTP status code.
- Read the meaning and fix.
- Use it to debug API errors.
Example
429 → Too Many Requests — rate limit hit, add retry-after handling
Why it's private
This tool runs entirely in your browser using JavaScript. Whatever you paste is processed on your own device — it is never uploaded to a server, logged, or stored. Built by Calabi, which also strips AI metadata and C2PA signals from images and video.