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Klaviyo API

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.

Documentation

Specifications

Other Resources

OpenAPI

klaviyo-openapi.json Raw ↑