Shopify Case Study
Spark Post Purchase Upsell
Shopify App Product
Shopify App Development, Checkout Extensions, Admin API, App UI
Shopify App
Shopify App Developer
Project Overview
Spark Post Purchase Upsell adds one-click upsell and downsell offers immediately after checkout to maximize revenue per transaction. Built with Node.js, Remix, and Shopify Polaris on the Shopify Admin API and Checkout UI Extensions, the app lets merchants build multi-step funnels with accept and decline branching paths, personalize offers with 20+ targeting rules, and accept upsells in one click with no payment re-entry.
Project Goals
- Increase revenue per transaction with post-purchase offers
- Enable one-click acceptance with no payment re-entry
- Build multi-step funnels with accept and decline paths
- Personalize offers with granular targeting rules
- Report on impressions, conversions, and revenue per offer
Scope of Work
- Embedded Shopify app development with Remix
- Checkout UI Extensions for post-purchase offers
- Shopify Admin API integration
- Polaris-based funnel and offer builder
- Targeting-rule engine
- Per-offer analytics
Product Challenges
- Presenting upsells post-checkout without re-collecting payment
- Branching funnels correctly on accept and decline
- Evaluating 20+ targeting rules accurately per order
- Keeping offers on-brand within checkout constraints
- Attributing conversions and revenue to each offer
Development Approach
- Checkout UI Extensions for the post-purchase offer surface
- One-click acceptance using existing payment authorization
- Multi-step funnel logic with accept/decline branches and downsells
- Targeting rules across product, cart value, tags, history, and time of day
- Per-offer analytics for impressions, conversions, and revenue
App Features
One-Click Post-Purchase Funnels
Multi-step upsell and downsell funnels shown right after checkout, accepted in a single click with no payment re-entry or cart editing required.
Targeting & Offer Analytics
20+ targeting rules for personalizing offers by product, cart value, customer tags, purchase history, and time of day, plus per-offer analytics on impressions, conversions, and revenue.
What the App Delivers
Spark Post Purchase Upsell helps merchants capture additional revenue at the highest-intent moment — right after checkout — through one-click, personalized upsell funnels built on Checkout UI Extensions and the Shopify Admin API, with clear per-offer performance reporting.
Explore Spark Post Purchase Upsell
View the app on the Shopify App Store or get in touch to discuss a similar Shopify app project.