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This endpoint is in beta and subject to change.

A beta revision header (2026-04-15.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.

Permanently removes the secret.

Tools that reference this secret by alias will fail to
authenticate on their next call until the alias is rebound to a
different secret.

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

Scopes:
agents:write