Pier39 provides post‑purchase monetization for e‑commerce merchants by displaying targeted offers from a network of 150+ advertisers during the checkout completion flow. The platform rewards shoppers with store credit at no cost to the retailer, driving repeat purchases while sharing revenue with merchants—typically up to $100 k per 100 k orders. Integration requires no code and gives merchants full control over which offers appear, ensuring brand safety.
Funding
Funding not disclosed

Founders
Product
Problem
E-commerce brands struggle to maintain customer loyalty and generate incremental revenue after the initial purchase, while advertisers seek efficient channels to reach high-intent customers at the point of sale. Traditional post-checkout pages offer limited opportunities for engagement and monetization.
Solution
Pier39.ai provides an AI-powered platform that transforms e-commerce post-checkout pages into a revenue-generating channel by displaying curated offers from non-competing brands. By leveraging partner brands' advertising budgets, e-commerce businesses can reward customers with relevant offers, fostering loyalty and driving repeat purchases. The platform seamlessly integrates into existing checkout flows, ensuring a non-disruptive experience for shoppers while creating a new revenue stream for merchants and an effective acquisition channel for advertisers. Pier39.ai's AI-driven targeting ensures that customers receive personalized offers, maximizing engagement and conversion rates.
Target Audience
The primary target audience includes e-commerce brands seeking to monetize their post-checkout pages and increase customer lifetime value, as well as advertisers aiming to acquire high-intent customers at the point of sale.
Features
- AI-powered offer matching to ensure relevance and personalization
- Seamless integration with major e-commerce platforms via a single line of code
- Real-time revenue tracking dashboard for merchants
- Performance-based acquisition channel for advertisers, reaching customers at their highest intent
- Non-disruptive offer display on post-checkout pages
- Support for both inline and popup offer presentation