Select A/B test winner

Manually pick a variant as the winner. The chosen variant is routed into the send pipeline immediately.

Scopes: campaigns.write

Path Params
string
required

Campaign ID (24 character hexadecimal)

Body Params

Winner variant selection

Winning variant selection for a manual A/B test winner pick

string
required

ID of the variant to promote as the winner

Headers
string
required
Defaults to 2026-03-15

API version that specifies the response format and behaviour

Responses
204

Winner selected

Language
Credentials
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Response
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