Migration resources
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 8 months ago