HTTP 201 Created vs 520 Web Server Returned an Unknown Error
HTTP 201 (Created) is a 2xx Success response, while 520 (Web Server Returned an Unknown Error) is a 5xx Server Error response. 201 indicates that the request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity. In contrast, 520 means that cloudflare-specific. The origin server returned an unexpected response that Cloudflare could not process.
Descripción
The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
Cuándo lo verás
After successfully creating a new user, post, order, or other resource via a REST API.
Cómo solucionarlo
No fix needed. Check the Location header for the URL of the new resource.
Descripción
Cloudflare-specific. The origin server returned an unexpected response that Cloudflare could not process.
Cuándo lo verás
When Cloudflare receives an empty, unknown, or malformed response from the origin.
Cómo solucionarlo
Check origin server logs. Ensure responses include proper headers. Verify SSL configuration.
Diferencias clave
201 is a 2xx Success response, while 520 is a 5xx Server Error response.
HTTP 201: The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
HTTP 520: Cloudflare-specific. The origin server returned an unexpected response that Cloudflare could not process.
You encounter 201 when after successfully creating a new user, post, order, or other resource via a REST API.
You encounter 520 when when Cloudflare receives an empty, unknown, or malformed response from the origin.
Cuándo usar cada uno
For 201 (Created): No fix needed. Check the Location header for the URL of the new resource. For 520 (Web Server Returned an Unknown Error): Check origin server logs. Ensure responses include proper headers. Verify SSL configuration.