HTTP 201 Created vs 422 Unprocessable Content
HTTP 201 (Created) is a 2xx Success response, while 422 (Unprocessable Content) 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, 422 means that the server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
Açıklama
The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
Gördüğünüzde
After successfully creating a new user, post, order, or other resource via a REST API.
Nasıl Düzeltilir
No fix needed. Check the Location header for the URL of the new resource.
Açıklama
The server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
Gördüğünüzde
When form validation fails — correct syntax but invalid data (e.g., email format wrong, date in the past).
Nasıl Düzeltilir
Check the response body for specific validation errors and correct the input data.
Temel Farklar
201 is a 2xx Success response, while 422 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 422: The server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
You encounter 201 when after successfully creating a new user, post, order, or other resource via a REST API.
You encounter 422 when when form validation fails — correct syntax but invalid data (e.g., email format wrong, date in the past).
Hangisini Ne Zaman Kullanmalı
For 201 (Created): No fix needed. Check the Location header for the URL of the new resource. For 422 (Unprocessable Content): Check the response body for specific validation errors and correct the input data.