Conflict

Client Error

The request could not be processed because of conflict in the current state of the resource

Used for edit conflicts, duplicate resources, version mismatches

How this status code appears in HTTP responses

HTTP Response Header

HTTP/1.1 409 Conflict

cURL Example

curl -I https://example.com
# Returns: HTTP/1.1 409 Conflict

This is a client error response indicating the request contains bad syntax or cannot be fulfilled.

Other codes in the same category

The server cannot process the request due to client error

Authentication is required and has failed or has not been provided

Reserved for future use in digital payment systems