Monitor Supplier Stock Levels in Real Time
Automatically monitor supplier stock availability. Get instant alerts when products come back in stock or go out of stock so you can reorder first.
Keeping track of supplier stock availability is a constant challenge for e-commerce businesses. When a high-demand item becomes available, every minute counts to restock before your competitors.
WatchDiff monitors your supplier product pages and sends automatic alerts whenever stock status changes. Whether a product comes back in stock or goes out of stock, you know immediately.
This is especially valuable for businesses selling high-demand or limited-inventory products. Instead of manually checking dozens of supplier pages every day, WatchDiff does it automatically.
Set up monitoring for as many suppliers and products as you need. The system works with any supplier website that displays availability information on public pages.
How It Works
Set up in minutes. Let AI work for you.
Add supplier product pages
Paste the URLs of your supplier product pages. WatchDiff automatically identifies availability indicators on each page.
Continuous stock monitoring
The system checks each page on your chosen schedule and detects changes in stock status: available, out of stock, pre-order, or limited quantity.
Instant availability alerts
When stock status changes, you receive an immediate email alert so you can place orders ahead of competitors.
Frequently Asked Questions
Does WatchDiff detect when a product comes back in stock?
Yes. WatchDiff monitors the full page content and detects any change, including transitions from out-of-stock to in-stock status.
Does it work with supplier sites that require login?
WatchDiff monitors public web pages. For pages behind authentication, we recommend checking whether a public-facing availability page exists.
How many supplier products can I monitor?
The number of monitored pages depends on your plan. Higher-tier plans let you track hundreds of supplier pages simultaneously.
Start Monitoring Now
Set up your first monitor in seconds. Free plan available, no credit card required.
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