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To send a transaction from a wallet using the React SDK, use the sendTransaction method from the useSendTransaction hook:
sendTransaction: (input: UnsignedTransactionRequest, options?: {
  sponsor?: boolean;
  uiOptions?: SendTransactionModalUIOptions;
  fundWalletConfig?: FundWalletConfig;
  address?: string;
}) => Promise<{ hash: HexString }>

​
Usage

import {useSendTransaction, useWallets} from '@privy-io/react-auth';

const {sendTransaction} = useSendTransaction();
const {wallets} = useWallets();

sendTransaction(
  {
    to: '0xE3070d3e4309afA3bC9a6b057685743CF42da77C',
    value: 100000
  },
  {
    address: wallets[0].address // Optional: Specify the wallet to use for signing. If not provided, the first wallet will be used.
  }
);

​
Parameters

​
input
UnsignedTransactionRequest
required
The details of the transaction to send on the chain.
​
options.sponsor
boolean
Optional parameter to enable gas sponsorship for this transaction. Learn more.
​
options.uiOptions
SendTransactionModalUIOptions
The options for the UI of the send transaction modal. Learn more.
To hide confirmation modals, set options.uiOptions.showWalletUIs to false. Learn more about configuring modal prompts here.
​
options.fundWalletConfig
FundWalletConfig
The configuration for funding the wallet.
​
options.address
string
The address of the wallet to use for sending the transaction. Recommended when working with external wallets to ensure reliable functionality. If not provided, the first wallet will be used.

​
Returns

​
hash
HexString
The hash for the broadcasted transaction.
For a complete example of sending USDC with Privy’s SDKs, see our Sending USDC recipe.
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