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HTTP Status Code Reference

HTTP status code reference covering every code from 1xx to 5xx, including 200 OK, 404 Not Found and 500, with meaning, usage and RFC source. Free and searchable in your browser.

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Last updated: 2026 · Free online tool

What is HTTP Status Code Reference?

HTTP status code reference covering every code from 1xx to 5xx, including 200 OK, 404 Not Found and 500, with meaning, usage and RFC source. Free and searchable in your browser.

How to Use

  1. 1
    Search— Enter a code number, name, or description keyword in the search bar.
  2. 2
    Category Filter— Use the category buttons (1xx–5xx) to filter specific ranges.
  3. 3
    View Details— Click a status code to view its detailed description, usage examples, and RFC.
  4. 4
    Full Reference— Scroll through all status codes for a complete reference.

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Frequently Asked Questions

Over 45 official HTTP status codes in the 1xx–5xx range are included, based on IANA-registered standard codes.

Only officially IANA-registered codes are prioritized; unofficial codes are not included.

RFC numbers are displayed in the detail view of each status code. You can find the full text on the IETF website.

It performs partial match searches based on code number, English name, and Korean description.

Yes. All data is statically included, so it works without a network connection.

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