The Across Developer Toolkit enables you to add native bridging and crosschain actions to your dApp. Built in TypeScript, our SDK provides simple abstractions over Across' Smart Contracts and API, working seamlessly in both frontend applications and backend environments.
Installation
Essential Resources
Start Building
Begin with our interactive examples and tutorials to quickly understand core concepts:
Quick Example App - See the SDK in action with our demo staking protocol
Tutorial: Integrating Across Bridge - Learn the basics of bridging integration
Tutorial: Building Crosschain Deposits - Enable users to deposit funds into your protocol from any chain
Tutorial: Building Crosschain Swaps - Enable users to swap assets across any chains.
Documentation & Code
Everything you need for a successful integration:
Developer Documentation - Complete SDK and API reference
Integration Guide - Step-by-step implementation guide
Example Code Repository - Browse working implementations
NPM Package - Latest SDK releases
Pay, Bridge, Deposit - Example Repository
Support
Got questions? We're here to help:
Discord Dev Chat - Get direct support from our devrels and join our builder community.
Request an Integration ID for co-marketing support here.
