# Sqquid product documentation > Learn how to set up Sqquid and manage products, inventory, orders, and fulfillment across your connected sales channels. Source: https://docs.sqquid.com/

Connection guides

Each guide covers prerequisites, setup, settings, and sync behavior for one external system. New to Connections? Read the Connections overview first.

Product and inventory sources

RunIt POS Supplies products and stock, and receives online order activity. Lightspeed Retail (X-Series) Supplies products and stock, and receives online orders. Shopify Channels Hub Coming soon Shopify supplies products and stock while Sqquid runs your other channels.

Storefronts, marketplaces, and feeds

Shopify Publish products, sync stock, and import orders, fulfillment, and returns. Amazon Update inventory and prices on Seller Central and import orders. eBay Sync listings and inventory and import orders. Walmart Stock updates, offer matching, orders, shipment tracking, and returns. TikTok Shop Sync inventory, import orders and returns, and buy shipping labels. WooCommerce Sync products and inventory and import orders and refunds. BigCommerce Sync products and inventory and process orders, shipments, and returns. Google Shopping Keep your Google Merchant Center product and inventory feed current.

Shipping

EasyPost Compare rates, buy labels, validate addresses, and schedule pickups.

MCP and API

Sqquid MCP Connect an AI assistant to your Account and let it use approved Sqquid tools. API reference Live reference for the Sqquid REST API, always matching what the API serves.

Can’t find what you need? Email [help@sqquid.com](mailto:help@sqquid.com).