Topsort, an AI-native commerce media infrastructure company powering marketplaces and retailers worldwide, today announced a partnership with 1stDibs, the leading online marketplace for extraordinary design, to support the next evolution of commerce media across its luxury ecommerce platform.

Traditional retail media infrastructure was largely built around high-volume retail environments with standardized catalogs and transactional shopping behavior. But premium marketplaces operate differently, requiring monetization systems that can support nuanced discovery experiences, differentiated inventory, and highly intentional buyer behavior.

The partnership marks another expansion of Topsort’s commerce media infrastructure into curated marketplace environments where relevance and customer experience are central to growth.

1stDibs connects discerning buyers with a highly curated global network of sellers spanning vintage furniture, contemporary design, fine art, jewelry, fashion, and collectibles. As the company continued scaling its marketplace and investing in the evolution of its buyer and seller experience, it sought a more flexible and scalable monetization foundation capable of supporting long-term growth without compromising the premium customer experience.

“1stDibs operates a highly curated marketplace where relevance and user experience are critical,” said Bradford Shellhammer, CPO & CMO at 1stDibs. “As our sponsored listings program has grown, we needed infrastructure that could better reflect the complexity of our catalog and the intent of our buyers. Topsort provides the flexibility and performance we were looking for, while allowing us to maintain the premium experience our customers expect.”

“Commerce media infrastructure needs to evolve alongside the marketplaces it supports,” said Regina Ye, CEO at Topsort. “1stDibs has built an incredibly differentiated marketplace centered around discovery, curation, and buyer intent. Supporting that kind of environment requires infrastructure that is both highly flexible and performance-oriented, while remaining invisible to the customer experience.”

For Topsort, the partnership reinforces the broader expansion of commerce media beyond traditional retail categories into more specialized marketplace environments like luxury commerce, where discovery, differentiation, and buyer intent are increasingly shaping how monetization is built and scaled.

About Topsort

Topsort is the commerce media infrastructure company helping retailers, marketplaces, and commerce platforms build scalable, transparent media monetization systems powered by auctions, first-party data, and measurable outcomes. Today, Topsort provides monetization infrastructure to leading enterprises across more than 40 countries, including Coles, DoorDash, Woolworths, and Falabella.

About 1stDibs

1stDibs is a leading online marketplace for extraordinary design, connecting design lovers with highly vetted sellers and makers of vintage, antique, and contemporary furniture, home décor, fine art, jewelry, watches, and fashion from around the world.

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