Get Data Sourceget https://a.klaviyo.com/api/data-sources/{id}Retrieve a data source in an account.Rate limits:Burst: 3/sSteady: 60/m Scopes: custom-objects:readPath ParamsidstringrequiredThe ID of the data sourceQuery Paramsfields[data-source]array of stringsFor more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsetsfields[data-source]ADD stringHeadersrevisionstringrequiredDefaults to 2026-04-15API endpoint revision (format: YYYY-MM-DD[.suffix])Responses 200Success 4XXClient Error 5XXServer ErrorUpdated 9 months ago