Klaviyo

aid: klaviyo
name: Klaviyo
url: https://raw.githubusercontent.com/api-evangelist/klaviyo/refs/heads/main/apis.yml
description: >-
  Klaviyo is a marketing automation and customer data platform built for ecommerce. Build custom integrations to bring
  data into Klaviyo to create personalized experiences across email, SMS, mobile push, and more. The Klaviyo API exposes
  profiles, events, lists, segments, campaigns, flows, catalogs, coupons, metrics, reviews, templates, webhooks, and
  reporting endpoints for building rich integrations and data pipelines.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
kind: contract
position: Consuming
access: 3rd-Party
tags:
  - Marketing
  - Email
  - SMS
  - Customer Data
  - Ecommerce
  - Automation
created: '2024-11-07T00:00:00.000Z'
modified: '2026-05-30'
specificationVersion: '0.19'
apis:
  - aid: klaviyo:klaviyo-api
    name: Klaviyo API
    description: >-
      The Klaviyo API provides programmatic access to profiles, events, lists, segments, campaigns, flows, templates,
      catalogs, coupons, metrics, reviews, forms, images, tags, webhooks, tracking settings, custom objects,
      conversations, web feeds, data privacy, and reporting. It is used to build personalized customer experiences
      across email, SMS, mobile push, and other channels for ecommerce brands.
    humanURL: https://developers.klaviyo.com/
    baseURL: https://a.klaviyo.com
    tags:
      - Profiles
      - Events
      - Lists
      - Segments
      - Campaigns
      - Flows
      - Catalogs
      - Coupons
      - Metrics
      - Reviews
      - Templates
      - Webhooks
      - Forms
      - Reporting
    properties:
      - type: Documentation
        url: https://developers.klaviyo.com/
      - type: OpenAPI
        url: openapi/klaviyo-openapi.json
      - type: AsyncAPI
        url: asyncapi/klaviyo-webhooks-asyncapi.yaml
      - type: Reference
        url: https://developers.klaviyo.com/en/reference/api_overview
      - type: Authentication
        url: https://developers.klaviyo.com/en/docs/authenticate_
      - type: RateLimits
        url: https://developers.klaviyo.com/en/docs/rate_limits_and_error_handling
      - type: Versioning
        url: https://developers.klaviyo.com/en/docs/api_versioning_and_deprecation_policy
      - type: ChangeLog
        url: https://developers.klaviyo.com/en/docs/changelog_
      - type: SDKs
        url: https://developers.klaviyo.com/en/docs/sdk_overview
      - type: GitHub
        url: https://github.com/klaviyo/openapi
common:
  - type: LinkedIn
    url: https://www.linkedin.com/company/klaviyo
  - type: Website
    url: https://www.klaviyo.com
  - type: Portal
    url: https://developers.klaviyo.com/
  - type: Documentation
    url: https://developers.klaviyo.com/en/docs
  - type: Reference
    url: https://developers.klaviyo.com/en/reference/api_overview
  - type: Authentication
    url: https://developers.klaviyo.com/en/docs/authenticate_
  - type: RateLimits
    url: https://developers.klaviyo.com/en/docs/rate_limits_and_error_handling
  - type: ChangeLog
    url: https://developers.klaviyo.com/en/docs/changelog_
  - type: SDKs
    url: https://developers.klaviyo.com/en/docs/sdk_overview
  - type: StatusPage
    url: https://status.klaviyo.com/
  - type: Blog
    url: https://www.klaviyo.com/blog
  - type: SignUp
    url: https://www.klaviyo.com/signup
  - type: Pricing
    url: https://www.klaviyo.com/pricing
  - type: TermsOfService
    url: https://www.klaviyo.com/legal/terms-of-service
  - type: PrivacyPolicy
    url: https://www.klaviyo.com/legal/privacy-policy
  - type: Support
    url: https://help.klaviyo.com/
  - type: GitHub
    url: https://github.com/klaviyo
  - type: Features
    data:
      - 'Free: 250 profiles, 500 emails/mo, 150 SMS credits/mo'
      - Email plan from $20/mo (500 profiles) up to $720+/mo (50K profiles)
      - Email + SMS from $35/mo (500 profiles) with 1,250 SMS credits
      - 'SMS credits: 1=domestic SMS, 3=MMS, 3-12=international'
      - Public API at api.klaviyo.com
      - Default 75 req/s burst, 700 req/min steady-state
      - OAuth 2.0 (private apps) and API keys
      - Webhooks for profile, event, and metric updates
      - Profile and event APIs (track, identify)
      - Lists, segments, campaigns, flows
      - Templates with drag-and-drop editor
      - Predictive analytics (CLV, churn risk)
      - AI segments and AI-generated content
      - Marketing Agent for campaign and flow creation
      - 350+ ecommerce/CRM integrations
      - Mobile push notifications and on-site messaging
    sources:
      - https://www.klaviyo.com/pricing
    updated: '2026-05-04'
  - type: Integrations
    url: https://www.klaviyo.com/partners
integrations:
  - name: Email subject line generator
  - name: Email & SMS ROI calculator
  - name: Become a partner
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com