HTTP 201 Created vs 405 Method Not Allowed
HTTP 201 (Created) is a 2xx Success response, while 405 (Method Not Allowed) is a 4xx Client 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, 405 means that the HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods.
Description
The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
Quand vous le voyez
After successfully creating a new user, post, order, or other resource via a REST API.
Comment résoudre
No fix needed. Check the Location header for the URL of the new resource.
Description
The HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods.
Quand vous le voyez
When sending POST to a read-only endpoint, or DELETE to a non-deletable resource.
Comment résoudre
Check the Allow response header for supported methods. Use the correct HTTP method.
Différences clés
201 is a 2xx Success response, while 405 is a 4xx Client 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 405: The HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods.
You encounter 201 when after successfully creating a new user, post, order, or other resource via a REST API.
You encounter 405 when when sending POST to a read-only endpoint, or DELETE to a non-deletable resource.
Quand utiliser lequel
For 201 (Created): No fix needed. Check the Location header for the URL of the new resource. For 405 (Method Not Allowed): Check the Allow response header for supported methods. Use the correct HTTP method.