WalletConnect Pay — Wallet Integration

Goal

Help wallet developers integrate WalletConnect Pay so their users can pay at any compatible POS terminal or online checkout using USDC. The integration enables wallets to detect payment links, fetch payment options, collect signatures, and confirm transactions.

When to use

• Adding WalletConnect Pay support to a mobile wallet
• Implementing payment link (QR code) detection and handling
• Debugging WC Pay SDK initialization or API errors
• Choosing between WalletKit, Standalone SDK, or API-First approaches
• Implementing data collection (KYC/KYT) WebView flow
• Setting up CAIP-10 account formatting for multi-chain payment options

When not to use