Sales data sync between in-store and online platforms

Purpose

1.1 Achieve real-time synchronization of sales data between physical antique store POS systems and online e-commerce platforms.
1.2 Ensure inventory accuracy by updating quantities instantly following in-store or online sales.
1.3 Prevent overselling or stock discrepancies across channels.
1.4 Centralize reporting for sales, inventory, and customer data to streamline analytics and reconciliation.
1.5 Automate pricing updates and promotional campaigns across all platforms.
1.6 Improve customer satisfaction with accurate stock visibility and prompt order fulfillment.
1.7 Reduce manual data entry and eliminate double work for staff managing multiple sales channels.

Trigger Conditions

2.1 Completion of a sale on in-store POS or e-commerce platform.
2.2 Receipt of return or cancellation on any channel.
2.3 Scheduled inventory reconciliation times (e.g., end of day).
2.4 Bulk product uploads or catalog updates.
2.5 Manual override of stock or price from store management.

Platform Variants

3.1 Shopify
- API: Admin API, Orders/Inventory endpoints — webhooks for order creation, stock update POST.
3.2 Square
- Feature: POS Webhooks — send sale/return payloads; Inventory API for stock adjustment.
3.3 Magento
- API: REST Sales API — webhook listener for new orders; updateInventory method for synchronization.
3.4 WooCommerce
- Feature: REST API v3 — /orders and /products endpoints; Webhooks for Order Created/Updated.
3.5 Lightspeed Retail
- API: Webhook configuration on sales events; Inventory PUT endpoint for update.
3.6 Vend (now Lightspeed X-Series)
- Feature: Register webhooks; Products API for updating stock by SKU.
3.7 QuickBooks POS
- Function: SDK sales receipt triggers; Inventory Adjustment API POST.
3.8 Clover
- Feature: Orders API New Sale event; Inventory Item Update endpoint.
3.9 eBay
- API: Inventory v1 API; Webhook for Order Fulfillment.
3.10 Etsy
- API: Listings Inventory API for updates; Orders Hook for completed sales.
3.11 Amazon Seller Central
- API: MWS Orders/Feeds — POST _POST_INVENTORY_AVAILABILITY_DATA_; order notification subscription.
3.12 Revel Systems
- Feature: Webhooks on transaction; Inventory API PATCH for adjustments.
3.13 BigCommerce
- API: Orders Webhook; Catalog Inventory API PUT request when quantity changes.
3.14 Salesforce Commerce Cloud
- Function: OCAPI hook on Order Confirmed; call Inventory API to align store/online stock.
3.15 Google Sheets
- API: Use Sheets API for temp data cache; triggers on row insert or update.
3.16 Netsuite
- Feature: RESTlet for custom record sync; InventoryAdjustment API.
3.17 SAP Business One
- Function: DI API for inventory update after sales document creation.
3.18 Microsoft Dynamics 365
- API: Business Events on Sales Orders; Inventory Adjustment entity PATCH.
3.19 PrestaShop
- API: Orders and StockAvailable endpoints; webhook module on sale or return.
3.20 Stripe Terminal
- Feature: Payment Intent webhook for sale; update inventory via Inventory Service API.

Benefits

4.1 Real-time, bidirectional data flow prevents stockouts and overselling.
4.2 Central dashboard for consolidated sales tracking and analytics.
4.3 Minimizes manual errors and administrative workload.
4.4 Enhances customer experience by providing accurate product availability.
4.5 Increases operational efficiency and decision-making speed for antique retail environments.
4.6 Streamlines promotional strategies and dynamic pricing across all channels.
4.7 Improves forecast accuracy for purchasing and replenishment decisions.