SHIELD

// Sign a transaction with Proxy Shield
const response = await fetch('https://api.proxy.fund/v1/sign', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${API_KEY}`,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    walletId: 'wallet_abc123',
    chainId: '1',
    to: '0x742d35Cc6634C0532925a3b...',
    value: '1000000000000000000'
  })
});

const { signature } = await response.json();
// Signature ready in <500ms