Get Custom Metric for Mapped Metricget https://a.klaviyo.com/api/mapped-metrics/{id}/custom-metricGet the custom metric for the given mapped metric ID (if applicable).Rate limits:Burst: 3/sSteady: 60/m Scopes: metrics:readPath ParamsidstringenumrequiredThe type of mapping.added_to_cartcancelled_salesordered_productrefunded_salesrevenuestarted_checkoutviewed_productAllowed:added_to_cartcancelled_salesordered_productrefunded_salesrevenuestarted_checkoutviewed_productQuery Paramsfields[custom-metric]array of stringsFor more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsetsfields[custom-metric]ADD stringHeadersrevisionstringrequiredDefaults to 2026-04-15API endpoint revision (format: YYYY-MM-DD[.suffix])Responses 200Success 4XXClient Error 5XXServer ErrorUpdated 9 months ago