HTTP 410 Gone vs 422 Unprocessable Content
Both HTTP 410 (Gone) and 422 (Unprocessable Content) belong to the 4xx Client Error category. 410 indicates that the resource is permanently gone and will not be available again. Unlike 404, this is intentional and permanent. Meanwhile, 422 means that the server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
Description
The resource is permanently gone and will not be available again. Unlike 404, this is intentional and permanent.
When You See It
When a resource has been deliberately removed and should be de-indexed by search engines.
How to Fix
Remove references to this URL. Search engines will de-index the page.
Description
The server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
When You See It
When form validation fails — correct syntax but invalid data (e.g., email format wrong, date in the past).
How to Fix
Check the response body for specific validation errors and correct the input data.
Key Differences
HTTP 410: The resource is permanently gone and will not be available again. Unlike 404, this is intentional and permanent.
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 410 when when a resource has been deliberately removed and should be de-indexed by search engines.
You encounter 422 when when form validation fails — correct syntax but invalid data (e.g., email format wrong, date in the past).
When to Use Which
For 410 (Gone): Remove references to this URL. Search engines will de-index the page. For 422 (Unprocessable Content): Check the response body for specific validation errors and correct the input data.