StackPay
Built for Stacks x USDCx Hackathon

Cross-Chain Payment Links

Accept USDC payments from Ethereum and receive USDCx on Stacks. One-click bridge via Circle xReserve.

How It Works

Step 1

Create Link

Enter your Stacks address and the USDC amount you want to receive.

Step 2

Share

Share the payment link or QR code with anyone who needs to pay you.

Step 3

Pay with USDC

Payer connects their EVM wallet and pays in USDC on Sepolia.

Step 4

Receive USDCx

USDCx arrives on Stacks in ~15 minutes via Circle xReserve.

Why StackPay?

No Stacks Wallet Required

Payers only need an Ethereum wallet. Perfect for onboarding new users to Stacks ecosystem.

Powered by Circle xReserve

Secure, institutional-grade bridging infrastructure. Your funds are safe.

Real-Time Tracking

Watch your payment progress from Ethereum to Stacks with live status updates.

Technical Details

Built on proven infrastructure for reliable cross-chain payments

Source Chain: Ethereum Sepolia

  • USDC Contract0x1c7d...7238
  • xReserve Contract0x0088...44a2
  • Remote Domain10003 (Stacks)

Destination Chain: Stacks Testnet

  • USDCx ContractST3JDZ...usdcx-v1
  • Peg-in Time~15 minutes
  • Minimum Amount1 USDC

Ready to Accept Cross-Chain Payments?

Create your first payment link in seconds. No sign-up required.

Create Payment Link