409
Conflict
4xx Client ErrorWhat It Means
The request conflicts with the current state of the target resource.
When You'll See It
Returned during concurrent edits, duplicate resource creation, or version conflicts.
Related Status Codes
Frequently Asked Questions
What does HTTP 409 mean?
HTTP 409 Conflict means: The request conflicts with the current state of the target resource.
When does a server return 409?
Returned during concurrent edits, duplicate resource creation, or version conflicts.
Is 409 a client error or server error?
HTTP 409 is a Client Error (4xx) response. This means the issue is on the client side — the request was incorrect or unauthorized.
Looking for all status codes in one place? Use the interactive HTTP Status Codes reference tool to search and browse all codes.