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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.

Lists every secret configured for the calling company.

Returns secret metadata (name, mask, timestamps) and never the
plaintext value, which cannot be read back after creation.

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

Scopes:
agents:read