get
https://a.klaviyo.com/api/text-messaging-senders//relationships/text-messaging-sender-registration
This endpoint is in beta and subject to change.
A beta revision header (2026-07-15.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.
Return the most-recent registration for the given sender.
Rate limits:
Burst: 10/s
Steady: 150/m
Scopes:
sender-config:read