Shopify USDC Payment Integration
Deploy cryptocurrency payment processing to your Shopify store. No monthly fees • 1% transaction rate • Enterprise-grade security
Prerequisites: Wallet Registration
Before deploying the payment integration, you must register your settlement wallet address:
- Access the platform at app.instantescrow.nz
- Authenticate with your Web3 wallet to register your merchant ID
- Return here to complete Shopify theme integration
One-time setup. Your wallet address establishes the settlement endpoint for all USDC transactions.
Step 1: Authorize Store Access
Link your Shopify store to configure payment routing and settlement parameters.
You will be redirected to Shopify's OAuth flow to authorize secure API access.
✓ Platform Status: Operational
✓ Escrow protection period: 14 days | Settlement: Automated
✓ Escrow protection period: 14 days | Settlement: Automated
Theme Integration Methods
1Copy this code
This single line adds the button to ALL product pages automatically:
<script src="https://app.instantescrow.nz/shopify-checkout.js" async></script>2Add to your theme
- Go to Online Store → Themes
- Find your current theme and click the three dots (...) button
- Select Edit code from the dropdown
- In the file list, open Layout folder → click theme.liquid
- Search for
</head>(use Ctrl+F or Cmd+F) - Paste the code just before
</head> - Click Save (top right)
3That's it! 🎉
The button will automatically appear on:
- ✓ All product pages
- ✓ Cart page (Express checkout)
- ✓ Quick shop modals
🎨 Button Preview
This is how it looks on product pages:
🔒 Protected by 14-day escrow • No gas fees
💰 How Payments Work
- Customer clicks button → Opens secure checkout
- Pays with USDC → Via wallet or email (Web3Auth)
- Order created → Automatically in your system
- Escrow protection → 14 days for disputes
- Automatic payout → Direct to merchant wallet
Integration Testing: Verify payment flow in an incognito browser session to simulate customer experience without cached authentication state.