Meta and Google Helped Write ECAPI 1.0 Without Promising to Honor It
The IAB Tech Lab finalized ECAPI 1.0 on May 3, 2026, a server-to-server specification that defines 42 standard marketing events advertisers can send to any participating platform using one shared payload. Meta, Google, TikTok USA, Walmart, and Roku helped author it, but none have publicly committed to a date