Tools/HTTP status

HTTP status

Look up status codes and common headers without leaving the tab. Nothing is uploaded.

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How to use HTTP status

1. Search. Code, name, or a word like rate.
2. Read the meaning. Short, practical glosses.
3. Copy the code. For tests and mocks.
4. Check headers. ETag, Retry-After, WWW-Authenticate.

About this tool

Status codes are a shared language. 401 is authentication, 403 is authorization, 429 is slow down. This page is an encyclopedia, not an HTTP client.

Redirects

301/308 are permanent. 302/307 are temporary. 307/308 preserve method.

Caching

304 means the cache is fine. Combine with ETag / If-None-Match.

Code examples

Fetch

if (res.status === 429) wait(res.headers.get("Retry-After"))

Frequently asked questions

Hosted APIs for this job

We do not run these services. Each guide has Free / Freemium / Paid labels and a link to official docs.

HTTP testing APIs (status, echo, delay)

Hit a hosted echo server to practice status codes, headers, and delays. httpbingo is the usual stand-in for httpbin.

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