Searchable dictionary of all HTTP response status codes (200 OK, 301 Redirect, 404 Not Found, 500 Internal Error) with developer causes and fixes.
| Code | Name | Category | Description |
|---|---|---|---|
| 200 | OK | 2xx Success | Standard response for successful HTTP requests. |
| 201 | Created | 2xx Success | Request fulfilled, resulting in the creation of a new resource. |
| 301 | Moved Permanently | 3xx Redirection | Resource permanently relocated to new URI. |
| 302 | Found (Temporary) | 3xx Redirection | Resource temporarily relocated. |
| 400 | Bad Request | 4xx Client Error | Malformed request syntax or invalid parameters. |
| 401 | Unauthorized | 4xx Client Error | Authentication required or credentials failed. |
| 403 | Forbidden | 4xx Client Error | Server understands request but refuses authorization. |
| 404 | Not Found | 4xx Client Error | Requested resource could not be found. |
| 429 | Too Many Requests | 4xx Client Error | User has sent too many requests in given amount of time. |
| 500 | Internal Server Error | 5xx Server Error | Generic error when server encounters unexpected condition. |
| 502 | Bad Gateway | 5xx Server Error | Invalid response received from upstream gateway server. |
| 503 | Service Unavailable | 5xx Server Error | Server overloaded or down for maintenance. |
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