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Get Action ID for Flow Message

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This endpoint is in beta and subject to change.

A beta revision header (2025-04-15.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.

Get the relationship for a flow message's flow action, given the flow ID.

Rate limits:
Burst: 3/s
Steady: 60/m

Scopes:
flows:read

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