Supercart Developer & Merchant Documentation
Step-by-step setup blueprints, pricing algorithm formulas, sub-10ms speed architecture, and checkout validation guides for all Shopify plans.
New to Supercart? Follow the 3-Minute Quickstart
Learn how to install the Online Store 2.0 app block on an unpublished theme, configure your brand colors, and activate self-funded shipping protection without touching a line of code.
Getting Started
Deploy Supercart on your Shopify store in under 3 minutes with zero coding.
How to safely test and preview Supercart on duplicate themes before launching to shoppers.
Split-test two cart templates simultaneously with automatic 50/50 traffic distribution.
How Supercart compiles down to ~60KB with sub-10ms execution and zero layout shifts.
Cart Editor & Styling
Extra Services & Self-Insurance
Monetize checkout with 8 high-margin services while keeping 100% of collected revenue.
Turn transit anxiety into high-margin profit with a private store protection reserve fund.
How Supercart bypasses Shopify's 100-variant limit and utilizes psychological decimal pricing.
Automatically exclude gift cards, downloads, or specific vendors from insurance calculations.
Automatically mark virtual services as fulfilled to prevent 'Partially Fulfilled' order bottlenecks.
Dispatch instant replacements at wholesale factory cost without third-party insurance portals.
Automate 3–5 day post-delivery warranty upsell flows via Shopify Flow and Klaviyo.
Rules & Smart Merchandising
Build precision merchandising rules using Group 1 (line items) and Group 2 (cart conditions).
Display hyper-relevant add-ons and automated AI recommendations directly in the drawer.
Drive multi-item cart additions with 1-click starter kits and complementary item bundles.
Automatically add promotional free gifts to customer carts when target criteria are met.
Trust, Legal & Checkout Extensibility
Embed verified buyer testimonials and star rating badges right above the checkout button.
Resolve delivery, return, and sizing questions right at the point of purchase decision.
Require customer agreement to custom policies, age verification, or preorder terms.
Block standalone purchases of extra service add-ons using native checkout validation rules for all plans.
Conversion Accelerators
Gamify cart subtotals with multi-tier rewards, multi-currency support, and regional targeting.
Enable collaborative buying with shareable cart permalinks and automatic discount rewards.
Incentivize shoppers to add one more product to unlock instant tiered savings.
Validate coupon codes directly in the slide drawer to eliminate checkout bounce rates.
Create genuine checkout urgency with dynamic cart reservation countdowns.
Integrate with ShipStation, ShipBob, Klaviyo, Judge.me, Loox, and Shopify Flow seamlessly.
Integrations & Tech Stack Ecosystem
Upgrade one-time purchases to recurring subscriptions inside the slide cart drawer via Selling Plans API.
Connect Skio passwordless subscriptions with Supercart slide cart drawers via native Shopify Selling Plans.
Pass real-time cart signals, persistent reconstruction links, and extra service selections into Klaviyo flows.
Automate shipping protection inquiries, detect order tags, and reship lost packages at wholesale COGS in 1 click.
Render verified Judge.me star ratings directly on in-cart upsell recommendations with sub-10ms speed.
Integrate Loox visual reviews and verified ratings into your Supercart slide drawer to build buyer confidence.
Display verified buyer ratings and customer attributes inside cart drawer recommendations using native product metafields.
Connect Yotpo product review data with Supercart slide cart drawers via native Shopify metafields.
Capture compliant SMS subscribers inside the cart drawer and trigger automated recovery journeys with persistent links.
Trigger high-converting abandoned cart SMS flows, sync subscriber opt-ins, and deliver 1-tap cart reconstruction permalinks.
Deploy Supercart in-cart upsells, tiered rewards progress bars, and self-funded shipping protection inside Tapcart apps.
Auto-fulfill virtual protection SKUs before orders sync to ShipStation and 3PLs to eliminate warehouse pick list errors.
Prefer our engineers to configure your cart for free?
Email hey@supercartapp.com with collaborator access or theme details. Our developers will replicate your brand styles and configure your self-insurance tiers on an unpublished theme at zero cost.