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SmartSellerSync is operated by INFINITYCHOICES LLC. SmartSellerSync is an independent application and is not affiliated with, endorsed by, or sponsored by Amazon.com, Inc., eBay Inc., Shopify Inc., or their affiliates. Amazon, Amazon Seller Central, eBay, Shopify, and all related marks are trademarks of their respective owners. SmartSellerSync accesses Amazon data solely through the official Selling Partner API, with authorization granted by the Selling Partner, and connects to eBay and Shopify through each platform's official APIs with authorization granted by the account holder.