Stablecoins

Accept USDC/USDT (or any ERC-20) on multiple EVM networks using user wallets (MetaMask, Trust Wallet browser, Binance Web3 wallet, etc.).

Install

npm i stablecoins ethers

Basic usage (transfer)

import { connectWallet, payWithErc20, waitForReceipt } from "stablecoins";

const eip1193 = window.ethereum; // injected by wallet

const from = await connectWallet(eip1193);

const result = await payWithErc20(eip1193, {
  chainId: 137, // Polygon
  token: {
    symbol: "USDC",
    address: "0x...", // USDC contract on Polygon (you provide)
    decimals: 6
  },
  recipient: "0xYourMerchantWallet",
  amount: "12.50",
  reference: "order_123"
});

const receipt = await waitForReceipt(eip1193, result.txHash, 1);
console.log({ result, receipt });