HTTP Status Code Lookup
Search HTTP status codes 1xx–5xx with plain-language meaning
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This HTTP status code lookup tool lets you search and browse major status codes from the 100s through the 500s, each with a clear explanation and a real-world example of when it's returned. It's handy for developers, QA engineers, and anyone learning backend concepts who wants a quick reference without digging through the RFC. Everything runs locally in your browser, so nothing you type is sent to a server.
How to use
- Type a status code number, name, or keyword into the search box
- Optionally click a 1xx–5xx tab to filter by category
- Read the description and real-world example on each card
- Click the copy button to copy the code, description, and example as one text block
FAQ
- Which status codes are covered?
- Commonly used codes across 1xx informational, 2xx success, 3xx redirection, 4xx client error, and 5xx server error categories, such as 200, 301, 404, 429, and 503.
- How does the search match results?
- It matches against the code number, the English title, and the Korean/English description text.
- What does the copy button copy?
- It copies the status code, title, description, and real-world example together as plain text, ready to paste into notes or documentation.