Trezor Suite® Getting Started™ — Developer Portal

Why build for Trezor Suite?

Hardware wallets remain the strongest practical defense against private-key theft and client-side compromise. Trezor Suite is Trezor’s official desktop/web hub for managing devices and signing transactions. For developers, Suite provides integration points, SDKs, and a reference UX that surfaces secure signing flows — making it an ideal platform to integrate, build, and test safe wallet experiences.

Who should read this

This guide targets front-end engineers, SDK integrators, dApp teams, and backend engineers who need to support hardware-backed signatures. If you’re shipping a third-party wallet, a custodial solution that supports hardware-account recovery, or a dApp that wants to offer secure signing via Trezor, the patterns here apply.

Quick architecture overview

The high-level pieces you'll encounter:

Device (Trezor firmware)

The secure element and UI on the hardware device. Firmware enforces user intent for signing and recovery; treat it as the ultimate root of trust.

Trezor Suite (desktop / web)

Suite manages device discovery, firmware updates, and an enhanced signing UI. Integrations (like Trezor Connect) can either proxy through Suite or call the device SDKs directly depending on your integration style.

Connect & SDKs

Trezor Connect (JS) and language SDKs provide a high-level API for requesting public keys, signing transactions, and authenticating users. Always prefer the maintained SDKs for production flows over ad-hoc USB handling.

Getting started — recommended flow

1. Read the official docs — start with the Suite docs and Connect overview so you understand supported flows and UX expectations.
2. Clone the monorepo — use the GitHub monorepo to run Suite locally and test your integration within the real app environment.
3. Use testnet/dev tools — always test signing and recovery on testnets and with throwaway accounts.
4. Follow secure UX patterns — always show transaction details, amount, destination, and fees on device or a trusted preview so the user can verify intent.

Developer checklist

• Install Node, Yarn (or pnpm) and follow the Trezor Suite monorepo README for local dev.
• Integrate Trezor Connect for web-based flows and use the Connect Explorer during development.
• Automate device testing where possible (CI using test devices or hardware-in-the-loop).
• Have a clear reporting path for firmware or Suite bugs — include reproducible steps and logs.

Common integration patterns

1. Web dApp via Trezor Connect

For dApps, Trezor Connect provides the simplest, secure bridge to request keys and signatures from users. It abstracts USB/hid details and ensures consistent user prompts.

2. Desktop app via Suite plugin or custom protocol

If you need a deeply integrated desktop experience, either embed a webview that uses Connect or implement direct interactions using the suite codebase patterns.

3. Server-assisted flows

Keep the server untrusted for signing: servers should prepare transaction payloads, send them to clients for signing, then accept signed payloads for broadcast. Never send private keys or raw seeds to a server.

Best practices & security notes

Never: collect or store mnemonic seeds on your servers or in plaintext. Always assume the hardware device and firmware are the only safe place for the seed. Encourage users to verify every critical action on the device screen.

UX clarity

Make the action and destination explicit. The user should never have to guess the intent of a signature — show nonce, chain id, amounts, and human-readable descriptions when possible.

Testing

Test with multiple hardware models, different firmware versions, and edge-case transactions (e.g., large fees, OP_RETURN data, custom scripts) to ensure the device prompts remain clear and consistent.

10 Official links — Developer Portal

Handy official references (each link styled). Click any to open the authoritative resource.

These links are curated for developers who need documentation, code, downloads, and the recommended reporting path. Bookmark them as your starting kit.

Sample code snippet — request a public key via Connect

Minimal example (browser) showing how to request an account public key. Use the maintained Connect package and configure origin & manifest per docs.

// Example: request public key (pseudo-code / JS)
import TrezorConnect from 'trezor-connect';

TrezorConnect.manifest({
  email: 'dev@example.com',
  appUrl: 'https://your-app.example.com'
});

async function getXpub(){
  const result = await TrezorConnect.getPublicKey({ path: "m/44'/0'/0'/0/0" });
  if(result.success){
    console.log('xpub:', result.payload.xpub);
  } else {
    console.error('error', result.payload.error);
  }
}

Notes on the snippet

Tweak derivation paths and call options for different coins and account types. Never hardcode user secrets into client code or logs.

Next steps

1) Clone the monorepo and run Suite locally. 2) Play with Connect Explorer for interactive API testing. 3) Integrate a test signing flow in an isolated dev branch and run through a full testnet signing cycle.

Pro tip: Keep your development device firmware up to date but keep a spare test device with older firmware if you need to test compatibility across versions.