HTTP 409 Conflict
4xx – Client error
| Status code | 409 |
|---|---|
| Reason phrase | Conflict |
| Class | 4xx – Client error |
| Reference | RFC 9110 |
Frequently asked questions
What does HTTP status 409 mean?
The request conflicts with the current state of the resource, e.g. concurrent edits.
Is 409 an error?
Yes, a client error (4xx): the problem lies in the request – for example a wrong URL, missing authentication or invalid data.
Where is HTTP 409 defined?
Status code 409 is specified in RFC 9110.