Creates an empty draft version of the list where you can update users to be replaced without affecting the live version.
Documentation Index
Fetch the complete documentation index at: https://docs.suprsend.com/llms.txt
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Pass as Bearer <API_KEY>. Get API Key from SuprSend dashboard Developers -> API Keys section.
Unique identifier of the list on which the sync needs to start to create a draft version
201
start sync creates a draft version of the list with version_id. Use this version to update users in the draft list.