API Testing · Junior · Question 16 of 75

What does `409 Conflict` usually signal?

1The server got two requests at the same moment
2The client and server use different HTTP versions
3The request clashes with current state, e.g. a duplicate

Show the answer

Correct answer: The request clashes with current state, e.g. a duplicate

Explanation

Creating a user with an email that already exists, or updating a stale version, are typical cases.

Further reading

MDN: HTTP response status codes ↗

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