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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.

Patches the tool's config in place: protocol, templated request configuration, variables, auth, and referenced secrets.

All skills bound to this tool pick up the new behavior immediately on next call.

Rate limits:
Burst: 10/s
Steady: 150/m

Scopes:
agents:write

OpenAPI Spec