post
https://a.klaviyo.com/api/applications
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.
Create a draft application.
The response includes the client secret, which is only returned once.
Rate limits:
Burst: 1/s
Steady: 15/m
Scopes:
applications:write