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Recipe 02: Gasless USDC Transfer

Send USDC without paying gas fees using LazorKit's paymaster

🎯 The Game Changer: Gasless Transactions

Traditional Solana apps require users to:

Buy SOL on an exchange
Transfer SOL to their wallet
Keep enough SOL for gas fees
Hope they don't run out mid-transaction

⚠️ This creates significant onboarding friction. Many users drop off here.

With LazorKit's Paymaster:

// User only needs USDC
// LazorKit pays the gas
const signature = await signAndSendTransaction({
  instructions: [transferIx],
});
// ✨ Transaction complete - user paid $0 in gas

✓Users never touch SOL
✓Can use stablecoins immediately
✓Perfect for payments, commerce, tipping
✓Significantly reduced onboarding friction

Under the Hood:

LazorKit's paymaster service detects your transaction needs gas, adds their signature to cover the fee, submits the transaction atomically, and the user only signs once while paying nothing.

What You'll Learn

✓Send USDC tokens without paying SOL for gas
✓How LazorKit's paymaster covers transaction fees
✓Create token accounts automatically if needed
✓Build and sign SPL token transfer instructions
✓True Web2-like UX - users never worry about gas

Code Example

const { signAndSendTransaction } = useWallet();

// Build transfer instruction
const transferIx = createTransferInstruction(
  senderTokenAccount,
  recipientTokenAccount,
  senderPubkey,
  amount * 1_000_000, // USDC has 6 decimals
);

// Send gasless transaction
const signature = await signAndSendTransaction({
  instructions: [transferIx],
});

// No SOL needed! Paymaster covers the fee ✨

LazorKit handles all the complexity. Just build your instructions and send!

Try It Yourself

💸

Connect Your Wallet

Connect with Face ID to start sending gasless USDC transfers