Integration Overview

npm install viem wagmi

import { useConnect } from 'wagmi';

const { connect, connectors } = useConnect();
connect({ connector: connectors[0] });

// Execute a router buy.
// buy(instrumentId, amount, minDepositedAmount, fastTransfer, maxFee)
await d1txRouter.write.buy([
  instrumentId,
  amount,
  0n,
  false,
  0n,
]);

const response = await fetch('https://api.1tx.fi/api/v1/instruments', {
  headers: { 'X-API-Key': apiKey },
});
const instruments = await response.json();

const selectedInstrument = instruments.data[0];

const buildResponse = await fetch('https://api.1tx.fi/api/v1/transactions/buy', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${jwt}`,
    'X-API-Key': apiKey,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    userAddress,
    instrumentId: selectedInstrument.instrumentId,
    amountUsdc: '1000.00',
  }),
});

const bundle = await buildResponse.json();
console.log(bundle.transactions);

const relay = await fetch(
  `https://api.1tx.fi/api/v1/cctp/relay/tx/${sourceTxHash}`,
  { headers: { 'X-API-Key': apiKey } }
);

npm install @privy-io/react-auth

import { PrivyProvider } from '@privy-io/react-auth';

<PrivyProvider appId="your-privy-app-id">
  <YourApp />
</PrivyProvider>

const { createWallet } = usePrivy();

// Create wallet for user
const wallet = await createWallet();
console.log('Wallet address:', wallet.address);

const { createSessionKey } = usePrivy();

// Allow automated trading up to 10k USDC for 24 hours
await createSessionKey({
  maxAmount: parseEther("10000"),
  expiry: Date.now() + 86400000, // 24 hours
});

// Your backend can now execute trades automatically
async function autoOptimizeYield(userId: string) {
  const bestInstrument = await findBestYield();

  await depositToInstrument(
    bestInstrument.id,
    amount,
    { sessionKey: await getSessionKey(userId) }
  );
}