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HTTP Status Code Reference
Search common HTTP response codes, filter by category, and expand each status for details and practical use cases.
http status codeshttp status code listhttp response codesstatus code reference
Browse common HTTP status codes from informational responses through server errors.
How to use
How to search HTTP response codes by number, category, or meaning
- 1 Start with the search box when you already know a code like 404 or want to look up a term such as timeout or redirect.
- 2 Switch between the 1xx, 2xx, 3xx, 4xx, and 5xx tabs to narrow the list down to the class of response you are investigating.
- 3 Read the summary card on each status to understand what the code generally means at a glance.
- 4 Expand a card for more detail, including a short explanation of common use cases and a practical next step.
- 5 Use the color coding to distinguish informational, success, redirect, client-error, and server-error responses more quickly while troubleshooting.
HTTP status codes carry a lot of meaning in a small number, but remembering every code family and its edge cases can be difficult. A searchable reference is useful when you are debugging APIs, reviewing browser network traces, handling backend errors, or writing documentation for your own endpoints. Instead of searching the web for each response one by one, you can filter the full list and expand only the codes you need.
The category view also helps people learn the broader patterns behind the codes. Once you recognize that 2xx means success, 3xx means redirect behavior, 4xx points to client-side request issues, and 5xx signals server problems, individual numbers become easier to remember and explain. The extra use-case notes make the reference practical for both newcomers and experienced developers handling day-to-day support work.
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