zippydevtoolsNetwork and HTTP
HTTP Status Code Reference
Look up common HTTP status codes for debugging APIs, redirects, cache behavior, and authentication errors.
Process the input to see the result here.
Understand rate limiting
Input: 429
Output: { "code": "429", "title": "Too Many Requests", "meaning": "Request limit exceeded.", "use": "Rate limiting." }
What is this reference for?
It quickly explains common HTTP codes used while debugging APIs, pages, redirects, cache, and authentication.
What is the difference between 401 and 403?
401 means authentication is missing or invalid. 403 means authentication exists but lacks permission.
Do 301 and 302 affect SEO?
Yes. 301 is a permanent redirect; 302 is temporary. Use the code that matches the real URL intent.
Does the tool make HTTP requests?
No. It is a local reference: enter the code and read the explanation.
Are all HTTP codes listed?
The tool covers common debugging codes; less common codes return generic guidance.