HTTP Status Codes
Lookup common HTTP status codes.
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| Code | Text | Category | Meaning |
|---|---|---|---|
| 200 | OK | 2xx Success | Request succeeded. |
| 201 | Created | 2xx Success | Resource created. |
| 204 | No Content | 2xx Success | Success, no response body. |
| 301 | Moved Permanently | 3xx Redirect | Permanent redirect. |
| 302 | Found | 3xx Redirect | Temporary redirect. |
| 304 | Not Modified | 3xx Redirect | Cached response can be used. |
| 400 | Bad Request | 4xx Client Error | Invalid request. |
| 401 | Unauthorized | 4xx Client Error | Authentication required. |
| 403 | Forbidden | 4xx Client Error | Not allowed. |
| 404 | Not Found | 4xx Client Error | Resource not found. |
| 409 | Conflict | 4xx Client Error | Request conflicts with current state. |
| 422 | Unprocessable Content | 4xx Client Error | Validation failed. |
| 429 | Too Many Requests | 4xx Client Error | Rate limited. |
| 500 | Internal Server Error | 5xx Server Error | Unexpected server error. |
| 502 | Bad Gateway | 5xx Server Error | Invalid upstream response. |
| 503 | Service Unavailable | 5xx Server Error | Temporarily unavailable. |
| 504 | Gateway Timeout | 5xx Server Error | Upstream timed out. |
This list covers common statuses. If you want the full IANA registry, we can add it later.