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Use STOQ with Shopify Combined Listings

Keep the Notify me and Preorder buttons correct as customers switch between child products in a combined listing.

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Shopify Combined Listings (a Shopify Plus feature) groups several products onto one product page, where each child product keeps its own inventory, variants, and URL. Without special handling, STOQ would only see the first product loaded and wouldn’t update the button when a customer switches child products. STOQ’s Combined Listings integration fixes that.

Before you begin

Section titled “Before you begin”
  • Shopify Plus plan (Combined Listings is Plus-only).
  • An Online Store 2.0 theme.
  • Combined Listings already configured in Shopify, with each child product added to your preorder offer where relevant.

Turn it on

Section titled “Turn it on”

  1. Open your Integrations

    Go to Preorders > Settings, or Back in stock alerts > Integrations, and scroll to the Integrations area.

    The STOQ app’s Preorders Settings screen in Shopify admin, showing the top tab bar with Overview, Products, Offers, Settings on the left and Notifications, Pages, Integrations on the right, and an ‘Integrations’ section reading ‘Connect STOQ with Shopify POS, Flow, or use our APIs’ with Shopify POS, Shopify Flow, Klaviyo, API, and ‘And many more’ buttons plus a ‘See integrations’ button and partner logos (Shopify, Klaviyo, Omnisend, Mailchimp); with markers: 1 on Preorders in the left STOQ sidebar, 2 on the Settings tab, 3 on the Integrations tab, 4 on the See integrations button.

  2. Open Combined Listings

    Find the Combined Listings card and click Set up.

    The STOQ app Integrations area under Back in stock alerts, showing a Shopify section with cards for Shopify (Off, Set up), Shopify POS (Connected, Set up), Shopify Flow (Connected, Set up), Combined Listings (‘Enable support for Combined Listing product pages. Available only for Shopify Plus.’ with a Set up button), and Bundle apps, with an AI connectors heading below; with markers: 1 on the Combined Listings card’s Set up button.

  3. Request setup

    Click Contact support. The STOQ team enables the integration for your store. It’s a one-time setup and works automatically afterward.

    The STOQ app Integrations area with the Combined Listings panel expanded, headed ‘Combined Listings’ and explaining it is a Shopify Plus feature grouping multiple products onto one page, that the integration needs to be configured by the support team, and that once enabled STOQ auto-detects the selected child product and shows or hides the Preorder and ‘Notify me when available’ buttons, with a ‘Contact support’ button at the bottom; with markers: 1 on the Contact support button.

What happens after setup

Section titled “What happens after setup”

When a customer switches between child products, STOQ detects the change, fetches that product’s inventory and preorder status, and shows or hides the button accordingly. For example, if the Red shirt is on preorder but Blue is in stock, the Preorder button shows for Red and the Notify me logic applies to Blue. It works for both preorders and back in stock alerts. Child products with more than 250 variants have their extra variant data fetched in the background.

Troubleshooting

Section titled “Troubleshooting”
The button doesn't change when I switch child products

The integration isn’t enabled yet. Open the Combined Listings card and contact support to set it up.

The button only works for the first product

Some child products aren’t in the preorder offer. Each child is a separate Shopify product, so add them all to the offer.

No button at all

Check the app embed is on. See Enable STOQ on your theme.

The wrong product shows after switching

That’s usually a stale browser cache. Clear it or try an incognito window.

FAQ

Section titled “FAQ”
Do I need theme code changes?

No. Once support enables it, it works automatically with no code changes on Online Store 2.0 themes.

Can I enable it myself?

No. It needs backend configuration by the STOQ support team, which is why the card routes you to contact support.

Does it cost extra?

No. It’s included with your STOQ plan.

Section titled “Related guides”
Set up preordersCreate the offer and add each child product.
Preorders by product variantHow STOQ reads inventory per variant.
Enable STOQ on your themeConfirm the app embed is on.
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