HTTP Status Code Search
Local ProcessingLook up standard HTTP response status codes (1xx-5xx) with RFC specifications and descriptions.
How It Works & Processing Standards
Look up standard HTTP response status codes (1xx-5xx) with RFC specifications and descriptions.
Tool processing runs in your browser. If you create a calculator or conversion share link, its values are included in the URL. See the privacy policy for account, analytics and advertising data.
Current Limits
- Maximum input length: 100,000 characters
Look up numeric codes from browsers, APIs or logs instantly. It searches a table inside the page instead of querying the internet.
What You Can Do
- Code → name and meaning
- The official name, like 404 Not Found, with a short description.
- Source shown
- Notes which reference data (and date) was used.
How to Use HTTP Status Code Search
- 1Enter a codeType the three-digit number.
- 2Read the resultSee the name and meaning.
Examples
404
Input: 404
Result: 404 Not Found — the resource could not be found.
429
Input: 429
Result: 429 Too Many Requests — requests are too frequent.
Common Use Cases
- Understanding API error responses
- Reading status codes in server logs
Frequently Asked Questions (FAQ)
What does the first digit mean?
1xx informational, 2xx success, 3xx redirect, 4xx client error, 5xx server error.