GET /api/catalog-variants/{id}/

Required. The catalog variant ID is a compound ID (string), with format: `{integration}:::{catalog}:::{external_id}`. Currently, the only supported integration type is `$custom`, and the only supported catalog is `$default`.

Optional. For more information please visit https://developers.klaviyo.com/en/v2024-07-15/reference/api-overview#sparse-fieldsets