post
https://a.klaviyo.com/api/data-sources
This endpoint is in beta and will be released in GA in our 2025-07-15 revision.
A beta revision header (2025-04-15.pre) is required to use our beta APIs.
Create a new data source in an account
Rate limits:
Burst: 3/s
Steady: 60/m
Scopes:
custom-objects:write