WooCommerce External Stock Links – Sell Seamlessly via Amazon, eBay & Etsy

Running a WooCommerce store while also selling on marketplaces like Amazon, eBay or Etsy often means
your inventory is scattered across platforms. A product may be out of stock in WooCommerce,
but fully available on Amazon – and your customer never knows.

WooCommerce External Stock Links closes that gap:
it lets you add “Available at…” badges for Amazon, eBay and Etsy directly on your product pages,
linking customers straight to those external listings, while also tracking clicks and (optionally)
showing stock levels per marketplace.

What This Plugin Does

Central Badge Management

Instead of setting badge images on every product, you define them once in a central settings page:

WooCommerce → External Stock Settings

Once configured, the badges are automatically used wherever you’ve entered a matching Amazon/eBay/Etsy URL
in the product edit screen – no additional setup per product.

Click Tracking & Basic Analytics

Every time a customer clicks one of your external retailer links, the plugin records it.
This gives you insight into where your traffic is going and which marketplaces perform best.

The data is stored in a dedicated table (e.g. wp_wsc_external_stock_clicks) and can be extended later
for more advanced reporting if needed.

Ready for Future API Automation

Right now, stock quantities per retailer are entered manually, but the plugin is structured so you can
later plug in marketplace APIs (Amazon SP-API, eBay API, Etsy API) without changing the UI.

Internally, it already works with helper functions like:

// Get external stock (array of all retailers):
wsc_get_external_stock( $product_id );

// Get stock for a specific channel:
wsc_get_external_stock( $product_id, 'amazon' );

// Update stock when you sync from an API:
wsc_update_external_stock( $product_id, 'amazon', 25 );

This means you can later hook in a cron job or custom integration that calls the retailers’ APIs,
updates these values, and keeps your WooCommerce view in sync with marketplace inventory.

Why This Helps Your Store

• Never hit a dead end: If WooCommerce shows zero local stock, you can still send customers to
  Amazon/eBay/Etsy instead of losing the sale.
• Better customer experience: Shoppers immediately see trusted badges like
  “Available at Amazon” that link straight to your listings.
• Centralized control: Badges and logic are configured once and reused across all products.
• Actionable insight: Click tracking shows which products and channels are actually used.

How to Use It – Quick Start

1. Install & Activate
   Upload the plugin to wp-content/plugins/ and activate it in
   Plugins → Installed Plugins.
2. Set Up Badge Images
   Go to WooCommerce → External Stock Settings and:
   • Upload your “Available at Amazon” badge.
   • Upload badges for eBay and Etsy.
   • Ensure “Show badge on product pages” is checked for each retailer you use.
3. Edit a Product
   In the product edit screen:
   • Go to the Inventory tab.
   • Optionally set Stock status to “Available at External Retailers”.
   • Fill any of:
     • Amazon URL + Amazon Stock Qty
     • eBay URL + eBay Stock Qty
     • Etsy URL + Etsy Stock Qty
   • Update the product.
4. View the Product Page
   On the front end you’ll see:
   • A small section titled “Available at External Retailers” or “Also Available at”.
   • Your badge images for Amazon/eBay/Etsy (if configured), each linking to the external product URL.
   • Optional stock hints and click tracking working in the background.

Notes & Limitations

• This plugin is designed primarily for internal use (not a polished marketplace release).
• Stock syncing with Amazon/eBay/Etsy is planned, but currently quantities are maintained manually.
• As with any WooCommerce extension, you should test it on a staging site before rolling out to a large live catalog.

If you’re selling the same products on WooCommerce and marketplaces like Amazon, eBay and Etsy,
WooCommerce External Stock Links gives you a clear, trackable way to bridge those channels and avoid lost sales
whenever your local stock runs dry.

Contact the WooCommerce External Stock Links team

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