Spotify’s Tagless CAPI Wants Your Customer’s IP, Not Your Server’s.
Spotify’s Conversions API is the only major ad-platform CAPI explicitly described as “tagless” (Spotify for Developers, 2026). There is no pixel. There is no client-side JavaScript. There is no UTM. There is no click. Audio advertising is the purest case of post-browser attribution — there is no browser session to drop a cookie into, because … Read more