August 6, 2026 · 9 min read · conversion tracking
Pinterest Conversions API for ecommerce agencies: the setup that captures iOS 14.5+ buyers
Pinterest tag-only setups in 2026 lose 35-55% of iOS purchase signal — and Pinterest's audience over-indexes on iOS. Here's the Pinterest Tag + Conversions API setup we ship to ecommerce agency clients, including the dedup pattern, the recommended event source, and the dataset-quality score that decides whether the algorithm trusts your data.