Build Lightning applications your way with LDK

A complete Lightning implementation packaged as an SDK

Flexible and customizable

Persistence. Networking. Chain sourcing. Routing. Key management. You name it. LDK easily configures to your application's needs.

High performance

As lightweight and compact as you need it to be, LDK performs on small-footprint devices and scales in the cloud.

Any language, any platform

LDK provides a multi-language native API. Run a Lightning node on mobile, web, HSMs, LSPs, or your existing infrastructure.

LDK Server

Deployable with a clean API, enterprise features, and built-in LSP support

Trusted by the best

Innovative projects are building with LDK

All case studies →