Add to Order Email Upsell

Shopify Apps
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Topic summary

A user is seeking a Shopify app that enables post-purchase upsells through email integration, specifically with Klaviyo. The key requirement is the ability to amend an existing order rather than creating a new transaction.

Specific needs:

  • Send time-sensitive “last chance” offers shortly after initial purchase
  • Allow customers to add recommended products to their existing order
  • Integrate with email platforms (Klaviyo preferred)

What they’re NOT looking for:

  • Checkout-based upsell apps (already using tripwire apps)
  • Standard cross-sell emails that generate separate orders

The discussion remains open with no responses or solutions provided yet.

Summarized with AI on October 31. AI used: claude-sonnet-4-5-20250929.
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I’m looking for an app that integrates with Shopify to amend an existing order with upsells offered via email (preferably Klaviyo). We have used trip wire apps that prompt recommended products during checkout. I’m looking for something that follows up shortly after as a last chance, time-sensitive offer and reminder to grab those products and add to their existing order.

Amending the existing order in Shopify via email is the key goal here; not within the checkout process or an additional upsell/cross-sell email to create a new order.