post
https://a.klaviyo.com/api/object-schemas//relationships/profile-object-schemas
This endpoint is in beta and subject to change.
A beta revision header (2026-01-15.pre) is required to use our beta APIs. Klaviyo APIs in beta are not intended for use in production. See our versioning and deprecation policy for more information.
Create a relationship between an object schema and a profile
Rate limits:
Burst: 3/s
Steady: 60/m
Scopes:
custom-objects:write