Update Source Mapping

patch

https://a.klaviyo.com/api/source-mappings/{id}

🚧
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.

Update the source mapping with the given ID.

Rate limits:
Burst: 3/s
Steady: 60/m

Scopes:
custom-objects:write

Language

Credentials

Header