Automated synchronization between POS and e-commerce inventory

Purpose

1.1. Enable seamless, real-time updates of product quantities between physical POS systems and online e-commerce platforms.
1.2. Prevent overselling and stock discrepancies by bidirectionally transmitting sales and restock events.
1.3. Unify all inventory data for African imports across retail locations and online storefronts for accurate order fulfillment.
1.4. Allow instant notification to staff for low stock and automated reordering.
1.5. Support SKU variant synchronization for products with size/color differences unique to ethnic goods assortments.

Trigger Conditions

2.1. Sale transaction completed at POS.
2.2. Online order confirmed on e-commerce site.
2.3. Inventory restock or adjustment event at POS or warehouse.
2.4. Manual synchronization request by store manager.
2.5. Scheduled batch update (hourly/daily as configured).

Platform variants

3.1. Shopify
• API: InventoryLevel API / inventory_levels/adjust.json
• Feature: Listen for “order/create” webhook and update stock via InventoryLevel API with matching SKU.
3.2. Square POS
• API: Catalog API / UpsertCatalogObject
• Feature: Poll for changes in item quantity, push updates to e-commerce platform upon stock movement.
3.3. Vend (Lightspeed Retail X)
• API: Inventory API / /1.0/products/{id}
• Feature: Webhook triggers for product stock changes, update e-commerce via endpoint.
3.4. WooCommerce
• API: PUT /wp-json/wc/v3/products/{id}
• Feature: Use “Order Created” webhook to adjust inventory, synchronize with POS.
3.5. Clover POS
• API: Inventory API / /v3/merchants/{mId}/items/{itemId}
• Feature: Change events update e-commerce inventory number.
3.6. BigCommerce
• API: Catalog Inventory API / v3/catalog/products/{id}/inventory
• Feature: Update inventory via update call when notified by POS webhook.
3.7. Magento
• API: PUT /rest/V1/products/{sku}/stockItems/{itemId}
• Feature: Event observer on checkout deducts online stock, triggers sync to POS.
3.8. Lightspeed Retail
• API: Item Inventory API / /API/Account/{accountID}/Inventory/{itemID}.json
• Feature: Webhooks alert on change, integrate with e-commerce API.
3.9. Toast POS
• API: Inventory API / /api/v2/inventory
• Feature: Capture sale event, decrement linked e-commerce product.
3.10. Revel Systems
• API: Products API / /api/products/{id}/
• Feature: Track sale or restock, push inventory to e-commerce endpoint.
3.11. Wix eCommerce
• API: Inventory API / /stores/v1/inventoryItems/{id}
• Feature: Listen for order event, synchronize with POS system.
3.12. SquareSpace Commerce
• API: Commerce Inventory API
• Feature: Poll/subscribe for product updates, send changes to POS.
3.13. QuickBooks Commerce
• API: Inventory API / /api/v2/products/{id}
• Feature: Reconcile physical and web sales via API call.
3.14. SAP Business One
• API: Inventory Counting Service / /b1s/v1/InventoryCounting
• Feature: Scheduled sync job posts inventory updates to web store.
3.15. Microsoft Dynamics 365
• API: Inventory Management Data Entity
• Feature: Integrate with e-commerce inventory on each transaction event.
3.16. NetSuite
• API: Inventory Adjustment API
• Feature: After sales/restocks, trigger script to sync available stock to e-commerce.
3.17. PrestaShop
• API: Stock API / /api/stock_availables
• Feature: Listen for changes in quantity, update opposite platform.
3.18. Amazon Seller Central
• API: Inventory Feed / POST_FLAT_FILE_INVLOADER
• Feature: Batch upload updated inventory after reconciliation.
3.19. OpenCart
• API: Product API / /index.php?route=api/product/edit
• Feature: Update on e-commerce side after POS transaction via REST.
3.20. Loyverse POS
• API: Inventory API
• Feature: On sale or adjustment, send POST to e-commerce inventory endpoint.

Benefits

4.1. Prevents inventory mismatches that can damage customer trust.
4.2. Reduces manual processing and chances of human error in inventory management.
4.3. Provides real-time visibility for African imports, special SKUs, and hard-to-source items.
4.4. Enables better stock planning and automated purchase orders for restocks.
4.5. Ensures continuity of sales across multiple channels, improving revenue opportunities.