UpStack Data is the #1 Data Toolkit for First Party Marketing.  We enable e-commerce brands to identify, enrich and activate first party behavioral data to drive marketing efficiency and advertising results. Our server-side tracking (CAPI) performs 35% better than the competition and 65% better than the standard Shopify integration. Leverage improved data for reaching broader, more performant audiences.We provide comprehensive web analytics, multi-touch attribution reporting and advanced ad platform integrations and Meta CAPI, powered by our industry-leading identity resolution technology. We help Shopify brands and marketers leverage their first party data in a way that captures more revenue and drives profitable brand growth.