Developer Resources

Build applications that integrate with Trezor hardware wallets. Access APIs, SDKs, and code examples.

Trezor Connect API

Trezor Connect is a JavaScript library that allows web applications to communicate with Trezor hardware wallets. It handles all the complexity of device communication.

// Install Trezor Connect
npm install @trezor/connect-web

Initialize Connection

// Initialize Trezor Connect
import TrezorConnect from '@trezor/connect-web';
TrezorConnect.init({
lazyLoad: true,
manifest: {
email: 'developer@example.com',
appUrl: 'https://yourapp.com'
}
});

Code Examples

Get Bitcoin Address

// Request Bitcoin address from Trezor
const result = await TrezorConnect.getAddress({
path: "m/84'/0'/0'/0/0",
coin: "btc"
});
if (result.success) {
console.log('Bitcoin Address:', result.payload.address);
} else {
console.error('Error:', result.payload.error);
}

Sign Bitcoin Transaction

// Sign Bitcoin transaction
const result = await TrezorConnect.signTransaction({
inputs: [
{
address_n: [84 | 0x80000000, 0 | 0x80000000, 0 | 0x80000000, 0, 0],
prev_hash: 'abc123...',
prev_index: 0,
amount: '100000000'
}
],
outputs: [
{
address: 'bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh',
amount: '99900000',
script_type: 'PAYTOADDRESS'
}
],
coin: 'btc'
});

Ethereum Integration

// Get Ethereum address
const addressResult = await TrezorConnect.ethereumGetAddress({
path: "m/44'/60'/0'/0/0"
});
// Sign Ethereum transaction
const signResult = await TrezorConnect.ethereumSignTransaction({
path: "m/44'/60'/0'/0/0",
transaction: {
to: '0x1234567890123456789012345678901234567890',
value: '0xf4240',
gasPrice: '0x14',
gasLimit: '0x14',
nonce: '0x00',
chainId: 1
}
});

Sign Message

// Sign a message for authentication
const result = await TrezorConnect.signMessage({
path: "m/84'/0'/0'/0/0",
message: "Hello, Trezor!",
coin: "btc"
});
if (result.success) {
console.log('Signature:', result.payload.signature);
console.log('Address:', result.payload.address);
}

Resources & Documentation

Official Documentation

Complete API reference, guides, and best practices

GitHub Repository

Open source code, examples, and community contributions

Supported Coins

Bitcoin, Ethereum, Litecoin, Bitcoin Cash, and 1000+ cryptocurrencies

View full list →

NPM Packages

@trezor/connect-web
@trezor/blockchain-link
@trezor/utils

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