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API Reference

Get Messages For Flow Action

🚧

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 all flow messages associated with the given flow action ID.

Returns a maximum of 50 flow message relationships per request, which can be paginated with cursor-based pagination.

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

Scopes:
flows:read

Path Params
string
required
Query Params
fields[flow-message]
array of strings
fields[flow-message]
string

For more information please visit https://developers.klaviyo.com/en/v2025-04-15.pre/reference/api-overview#filtering
Allowed field(s)/operator(s):
id: any
name: contains, ends-with, equals, starts-with
created: equals, greater-or-equal, greater-than, less-or-equal, less-than
updated: equals, greater-or-equal, greater-than, less-or-equal, less-than

integer
1 to 50
Defaults to 50

Default: 50. Min: 1. Max: 50.

Headers
string
required
Defaults to 2025-04-15.pre

API endpoint revision (format: YYYY-MM-DD[.suffix])

Responses

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