Glossary/Retail Media & Commerce/Marketplace Advertising
Retail Media & Commerce
Marketplace Advertising
Ads sold by marketplaces such as Amazon, eBay, Etsy, and Uber to sellers and brands.
By Brandon Mina·CEO, BrandPilot AI·Updated November 2026
Short answer
Marketplace advertising is advertising sold by online marketplaces such as Amazon, eBay, Etsy, and Uber to the sellers and brands on their platforms. Common formats include sponsored listings and search ads that boost visibility for products or offerings. It is a major part of the broader retail and commerce media market.