HTTP Status Code Lookup
The HTTP Status Code tool explains what a response code indicates, helping you debug APIs and web servers faster.
Key Features
- Full 1xx to 5xx catalog
- Class explanations
- Common causes
- Local reference
- Searchable
Use Cases
- Debug a 404 or 500
- Pick the right redirect code
- Teach HTTP
- Review an API spec
How to Use
- Enter a code
- Read the meaning
- See typical fixes
Practical Tips
- 4xx is client side, 5xx is server side
- 301 vs 302 changes caching
- 418 is a joke
FAQ
- 301 vs 302?
- 301 is permanent, 302 temporary.
- 429?
- Too many requests; respect Retry-After.