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# Pinterest Opens Walled Garden to Capture Retail Media Budgets
- URL: https://adjacent.media/signals/pinterest-opens-walled-garden-to-capture-retail-media-budgets/
- Published: 2026-11-04T17:18:22.000Z
- Updated: 2026-11-04T17:18:22.000Z
- Description: Pinterest’s shift to programmatic buying directly competes with Amazon and Walmart’s retail media networks, which have already trained brands to allocate performance marketing budgets outside traditional digital channels.
- Author: Jonathan Greene
- Tags: #signal, theme-commerce, retail media, programmatic advertising, marketplace monetization

Source: [Article Archive](https://www.emarketer.com/content/how-pinterest-s-programmatic-pivot-unlocks-retail-media-budgets?ref=adjacent.media)

Pinterest's shift to programmatic buying directly competes with Amazon and Walmart's retail media networks, which have already trained brands to allocate performance marketing budgets outside traditional digital channels. By enabling direct inventory access and auction-based buying, Pinterest is attempting to recapture advertiser attention from closed ecosystems. Success hinges on whether its 500M users convert retail intent as efficiently as Amazon's logged-in shoppers—a question Pinterest's lower purchase intent historically hasn't settled.