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Revenue

Never Lose a Sale to an Empty Shelf Again

Bookbag captures every out-of-stock inquiry and turns restocked inventory into immediate sales.

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When a shopper lands on a product that's out of stock, 80% leave and never return. That represents real demand you've already generated — paid for with marketing spend — slipping away. Bookbag captures that demand at the moment of intent, handles all the disappointment gracefully, and re-engages the right customers the instant stock returns — converting them while purchase intent is still high.

The problem

Out-of-stock events are unavoidable in ecommerce, but losing that demand doesn't have to be. Most stores show a static 'Notify me when available' form that captures only a fraction of interested shoppers, sends a generic blast email when stock returns, and has no mechanism to answer questions about when restock is expected or offer alternatives in the meantime.

  • Shoppers encountering out-of-stock products leave and buy from competitors rather than waiting
  • Static notification signup forms capture only the most determined shoppers and miss casual interest
  • Generic restock email blasts go to everyone at once, creating order surges and immediate re-stockout
  • Brands have no visibility into the scale of demand for out-of-stock items, making reorder quantity decisions difficult

How Bookbag handles it

Step 1

Engages shoppers who land on out-of-stock products

Bookbag proactively opens a conversation when a visitor spends time on an out-of-stock PDP, capturing their interest and email before they bounce.

Step 2

Answers questions about restock timing

If you have a restock timeline, Bookbag communicates it. If not, it honestly explains what's known and sets appropriate expectations.

Step 3

Suggests in-stock alternatives

Bookbag surfaces the closest available alternatives so shoppers have an immediate option — preserving the conversion rather than just deferring it.

Step 4

Sends personalized restock notifications

When inventory is replenished, Bookbag sends targeted notifications to interested customers with a direct link to the product — before the broader notification blast.

See it in action

I was looking for the Classic Leather Tote in Black but it says sold out. Do you know when it'll be back?
I'm sorry the Black is out of stock right now — it's been really popular! We're expecting a restock in approximately **2–3 weeks**. I can send you an email the moment it's back so you don't miss it — just share your email and I'll add you to the early-access list. In the meantime, the same tote is currently in stock in **Tan** and **Cognac** if either of those would work. Alternatively, the **Structured Canvas Tote in Black** ($89) is a close match and shipping today — want me to show you that one?

Why it matters

Converts out-of-stock visits instead of losing them

Capturing email and sending a timely restock alert recovers a significant portion of demand that would otherwise disappear permanently.

Reduces immediate competitive loss

By surfacing alternatives in the same conversation, Bookbag gives shoppers a reason to buy now rather than go to a competitor.

Generates demand intelligence for purchasing

Aggregated back-in-stock interest data tells your buying team exactly how much demand exists for each product — improving reorder quantities and reducing both stockouts and overbuying.

Personalizes the restock notification

A message that says 'The specific item you were interested in is back' converts far better than a generic newsletter-style blast.

80%
of shoppers who see an out-of-stock message leave and don't return without intervention
25–40%
of back-in-stock email recipients convert when notified within 24 hours of restock
3×
higher capture rate for back-in-stock intent via proactive chat vs. passive signup form

Frequently Asked Questions

Yes. Bookbag syncs with your Shopify inventory in real time and knows when a specific variant or product is out of stock.

Yes. When you mark inventory as restocked in Shopify, Bookbag can automatically trigger personalized notifications to customers on the interest list for that product.

Bookbag uses semantic similarity against your catalog — matching on category, style, price range, and product attributes — to surface the closest in-stock substitutes.

Yes. The Bookbag dashboard shows a count of customers waiting for each out-of-stock product — useful for prioritizing reorders and setting restock quantities.

If you have pre-order capability enabled in Shopify, Bookbag can direct customers to that option and complete the pre-order transaction in chat.

Yes. Bookbag tracks interest at the variant level — so a customer interested in size 8 in Black will only be notified when that specific variant is available, not when any variant of the product returns.

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Cart Abandonment Recovery via AI Chat

Bookbag catches shoppers before they leave and brings them back to checkout — automatically.

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Let Bookbag handle it for you

Join the ecommerce teams resolving more tickets, answering 24/7, and turning support into a revenue channel with Bookbag.

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