Barcodes.GG is a barcode API for sneakers and streetwear. It resolves UPC, EAN and GTIN barcodes and style codes to structured product data: name, brand, colorway, size, release date, retail price and images. 2.89 million barcodes for 1.59 million products. StockX and Alias resale prices per size on Standard Plus and up. Free public lookup and tools; paid API from EUR 19/month with a 7-day free trial.