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POST
Cancel thread.

Authorizations

Authorization
string
header
required

Bearer JWT token or API Key (sk-*).

Path Parameters

id
string
required

Query Parameters

expectedVersion
number
required

Thread version captured when cancellation started. Retries must reuse the same value.

Required range: x >= 0

Response

Cancellation acknowledged; the previous turn is fenced and cannot resume.

Last modified on September 5, 2026