FTC accuses Amazon of hidden surcharges in sponsored ad auctions

US Federal Trade Commission alleges Amazon charged advertisers billions in concealed fees through its sponsored product ad auction system.
The US Federal Trade Commission (FTC) has alleged that Amazon applied hidden surcharges in its sponsored product ad auctions, resulting in billions of dollars in losses to advertisers. According to the complaint, internal Amazon documents reveal the company knew these practices could harm advertiser trust, yet continued the approach anyway. Amazon counters that the FTC does not sufficiently understand how platform advertising operates.
These allegations emerge as Amazon positions its advertising business as a core profit engine alongside its e-commerce services. Sponsored product ad auctions operate within a system accessible to thousands of sellers and brands, with pricing directly affecting advertiser costs and seller profit margins. Auction mechanics controlled by the platform have long been a point of contention regarding transparency and fairness for sellers.
For e-commerce sellers and brands, this development underscores the need to reassess the true cost and effectiveness of spending on Amazon's ad platform. Lack of transparency in fee structures and auction mechanisms has been a direct factor affecting profitability, especially for small and medium-sized sellers. As the investigation proceeds, how oversight and fee standards evolve in platform advertising could have significant consequences for the sector.