Quartile is an AI-driven retail media and Amazon advertising platform for e-commerce brands, agencies, and Amazon sellers that automates Sponsored Products, Sponsored Brands, Sponsored Display, and DSP campaigns across Amazon, Walmart, Target, and other retail networks. Positioned as AI advertising software for Amazon and retail media, Quartile combines automated keyword and bid optimization, Sponsored Products, Brands, and Display campaign management, Amazon DSP and Walmart Connect support, audience-based retargeting, profitability dashboards by SKU and ASIN, white-label reporting for agencies, and integrations with Amazon Ads, Walmart Connect, Target Roundel, and Shopify. Quartile is a strong fit for Amazon sellers scaling PPC profitably, e-commerce agencies managing multi-marketplace ad spend, and DTC brands consolidating retail media across Amazon and Walmart.