Klaviyo

Klaviyo Flows API

flows

Documentation GitHub OpenAPI

Business capability

Digital Marketing Management BC-400.60

Operations 20

GET /api/flows Get Flows #

POST /api/flows Create Flow #

GET /api/flows/{id} Get Flow #

PATCH /api/flows/{id} Update Flow Status #

DELETE /api/flows/{id} Delete Flow #

GET /api/flow-actions/{id} Get Flow Action #

PATCH /api/flow-actions/{id} Update Flow Action #

GET /api/flow-messages/{id} Get Flow Message #

GET /api/flows/{id}/flow-actions Get Actions for Flow #

GET /api/flows/{id}/relationships/flow-actions Get Action IDs for Flow #

GET /api/flows/{id}/tags Get Tags for Flow #

GET /api/flows/{id}/relationships/tags Get Tag IDs for Flow #

GET /api/flow-actions/{id}/flow Get Flow for Flow Action #

GET /api/flow-actions/{id}/relationships/flow Get Flow ID for Flow Action #

GET /api/flow-actions/{id}/flow-messages Get Messages For Flow Action #

GET /api/flow-actions/{id}/relationships/flow-messages Get Message IDs for Flow Action #

GET /api/flow-messages/{id}/flow-action Get Action for Flow Message #

GET /api/flow-messages/{id}/relationships/flow-action Get Action ID for Flow Message #

GET /api/flow-messages/{id}/template Get Template for Flow Message #

GET /api/flow-messages/{id}/relationships/template Get Template ID for Flow Message #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Klaviyo Flows API
  version: '2026-04-15'
  description: The Klaviyo REST API. Please visit https://developers.klaviyo.com for more details.
  contact:
    name: Klaviyo Developer Experience Team
    email: developers@klaviyo.com
    url: https://developers.klaviyo.com
  termsOfService: https://www.klaviyo.com/legal/api-terms
  license:
    name: License
    url: https://www.klaviyo.com/legal
servers:
- url: https://a.klaviyo.com
  description: Production
security:
- Klaviyo-API-Key: []
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/klaviyo/refs/heads/main/openapi/klaviyo-flows-api-openapi.yml

Klaviyo Flows API

Operations 20

Documentation

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