Sales Channels & Shipping Providers
eStack is the AI-driven command center for multi-channel sellers. Automate inventory replenishment, sync orders across Amazon, Walmart, Shopify, and eBay — and never go out of stock again.
Sales Channels & Shipping Providers
From AI-powered demand forecasting to multi-channel fulfillment — eStack replaces multiple tools with one intelligent hub.
Proprietary, patented algorithms analyze sell-through velocity across all channels and automatically trigger reorder points — no more stockouts or overstock.
PatentedShip Shopify, eBay, and Walmart orders using your Amazon FBA inventory via seamless MCF integration. One stock pool, all your storefronts.
Amazon CertifiedCentralize all orders and inventory across every sales channel in real-time. View your global FBA inventory in one location to better plan purchasing.
Real-time syncGenerate and print shipping labels with all major carriers and post offices worldwide. Compare rates, automate carrier selection, and fulfill from anywhere.
100+ CarriersThe AI doesn’t just warn you — it acts. Automatically draft supplier POs based on forecasted demand and lead times. Review and approve in one click.
AI-GeneratedInventory reports and sales reports across all your stores — unified in one dashboard so you always know exactly how your business is performing.
All storesBuilt-in market intelligence tools native to your workflow. Discover opportunities, track competitors, and validate new products without switching apps.
Market intelligenceOur patented AI doesn’t just report — it predicts, decides, and acts. While you sleep, eStack’s demand engine is calculating tomorrow’s reorder points from today’s data.
Aggregates velocity data from Amazon, Walmart, Shopify, and eBay simultaneously to compute accurate global demand curves.
Patented JIT algorithms factor in supplier lead times, shipping windows, and seasonal trends to hit optimal stock levels automatically.
When a reorder threshold is hit, a supplier PO is drafted with quantities, costs, and delivery dates — ready for one-click approval.
No complex onboarding. Connect your channels and start fulfilling orders — fast.
Sign up and your eStack environment is ready instantly. No setup fees, no IT required.
Import your catalog from any channel or upload via CSV. eStack auto-maps SKUs and variants.
Plug in Amazon, Shopify, eBay, Walmart, and your shipping carriers in seconds.
Orders flow in, the AI manages your inventory, and you focus on growing your business.
Join sellers who have eliminated stockouts, streamlined fulfillment, and scaled across channels with eStack’s patented AI platform.
Free trial included. No credit card required. Easy migration from existing tools.