Overview — What are Ledger Live Integrations?
Ledger Live Integrations describe how external applications connect and interoperate with Ledger Live through the Ledger Live SDK, public APIs, native connectors (WebUSB, Bluetooth Low Energy) and secure signing flows backed by a physical hardware wallet. This Ledger Developer Portal page explains the integration lifecycle: discovery, pairing, authorization, secure signing and transaction verification.
Why integrate with Ledger Live?
Integrating with Ledger Live lets wallets, dapps and services deliver a security-first user experience. By building on Ledger Live Integrations, developers leverage Ledger’s hardware-backed security, transparent transaction inspection, and trusted signing flows. The Ledger Developer Portal includes docs, quickstarts, sample code and SDK downloads to accelerate Ledger Live Integrations.
Quick start — Ledger Live SDK and APIs
Start by reading the Ledger Live Developer Portal overview and installing the Ledger Live SDK. Choose the transport you need: WebUSB for desktop web, BLE (Bluetooth) for mobile, or a native bridge for desktop apps. A typical integration uses the Ledger Live SDK to request device discovery, present a transaction to the user in the Ledger Live UI, and then receive a signed transaction back.
Security and best practices
Security is central to Ledger Live Integrations. The Ledger Developer Portal recommends: always validate addresses on-device, minimize sensitive key material in memory, and never bypass user confirmation on the Ledger device. Use the Ledger Live SDK and official APIs to ensure integrations benefit from the hardware wallet’s secure element and attestation mechanisms.
- Use attestation checks and firmware compatibility checks.
- Only request minimal permissions from Ledger Live.
- Log events for integration telemetry without exposing secrets.
Reference — transports and flows
Supported transports for Ledger Live Integrations include WebUSB, Bluetooth LE, and native IPC. The Ledger Developer Portal exposes endpoints and sample code. Integrations typically follow these phases: discover -> pair -> prepare -> request signature -> finalize. Implement exponential backoff for device discovery and keep UX fallbacks for unsupported browsers or devices.
Example integration scenarios
Common Ledger Live Integrations include: custodial wallets adding on-device signing flows, DeFi dapps enabling Ledger Live transaction approval, and payment applications embedding Ledger Live for settlement. Use the Ledger Developer Portal's sample projects to reduce time to market.
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Conclusion
Ledger Live Integrations are the recommended path for developers who want to combine Ledger’s hardware security with web and mobile user experiences. The Ledger Developer Portal offers SDKs, APIs and reference code to implement robust Ledger Live Integrations across platforms. Start with the quickstart, follow security best practices, and iterate using the Portal’s examples.