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These docs are for a deprecated API version. Click here to use the latest version.

Migration resources

A collection of resources for migration from legacy APIs.

Audit your Klaviyo API usage

Learn how to audit your API endpoint usage, so you can migrate to Klaviyo’s newest APIs.
API comparison chart

Learn about the differences between the v1/v2 legacy APIs and our new APIs.
Migrate from legacy to new APIs

Learn how to migrate from v1/v2 legacy APIs to Klaviyo's new APIs.
2023-07-15 Relationships migration

Migrate to the standardized Relationships object released in the 2023-07-15 revision.

Updated almost 2 years ago

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