app.backinstock.org in a checkout page script inventory
app.backinstock.org appeared on 2 of the 187 United States store cart pages we read on 30 August 2026, which is 1% of them, always as a reference rather than as an executing tag.
What it is
Sends email, SMS, and push notifications for product restocks and preorders.
Source: the title and description published at backinstock.org, read on 30 August 2026. Quoted there as “Back in Stock App for Shopify — Email & SMS Restock Alerts | Amp”.
What to write in the justification column
Confirm notification triggers only use customer contact data and do not process payments.
This is a starting sentence, not an assessment. Requirement 6.4.3 wants your reason, written by someone at your company who can defend it.
Stores where we saw it
2 of 2
Up to ten examples from our scan. These are public storefronts and the observation is only that the host appeared in the HTML of their cart page on 30 August 2026.
Where to look next
Other email and sms hosts
All 448 hosts in the directory · Scan your own checkout page
Categories in this directory: Payment, Tag manager, Fraud and security, Consent, Analytics, Advertising, Email and SMS, Personalisation, Reviews, Chat and support, Loyalty, Subscriptions, Shipping and returns, Media and social, Fonts and CDN, Merchant-owned, Unclassified.