Keepa

Pricing starts at From $19/mo

Keepa is one of the most widely used Amazon research tools, known for its comprehensive price tracking and sales rank history charts. The browser extension overlays historical pricing data directly on Amazon product pages, giving sellers and buyers instant visibility into price trends, sales rank patterns, and competitive dynamics. The platform tracks price history across all Amazon marketplaces, covering new, used, and third-party offers. Sales rank charts show demand patterns over months or years, which helps product researchers identify seasonal trends, competitive entry points, and long-term demand stability. The depth of historical data is unmatched by most competitors. Keepa also offers an API for developers and power users who want to integrate pricing data into their own systems. Deal alerts notify users when tracked products hit target prices. For arbitrage sellers, wholesale buyers, and product researchers, Keepa's historical data is often the first tool consulted before making sourcing or launch decisions.