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Get Started

Everything you need to start building with Agglayer's cross-chain interoperability

Ready to Build Cross-Chain Applications?

Whether you’re building your first cross-chain DeFi protocol, creating multi-chain gaming experiences, or exploring unified liquidity solutions, Agglayer provides the tools and infrastructure you need.

Your Development Journey

Start Local: Set up a complete development environment on your machine with AggSandbox - no need for testnets or complex configurations to start experimenting.

Explore Networks: Understand which chains are currently supported and their specific configurations, so you can choose the right networks for your application.

Build Production Apps: Access the Agglayer Developer Portal with production-ready examples, interactive tools, and real-world implementations.

What You Can Build

With Agglayer, you can create applications that were previously impossible or extremely complex:

  • Atomic Cross-Chain Operations: Execute complex operations across multiple chains in a single transaction
  • Unified Asset Management: Build applications where users’ assets work seamlessly across all supported chains
  • Cross-Chain Smart Contracts: Create contracts that can trigger actions and transfer value across different networks
  • Multi-Chain User Experiences: Build interfaces where users don’t need to think about which chain they’re using

Start Your Build

Choose your starting point based on your goals:

Quickstart

Set up a complete local development environment with AggSandbox. Test cross-chain operations without testnets or external dependencies.

Start Building →

Supported Networks

Explore supported networks, their unique features, and configuration details to choose the right chains for your application.

View Networks →

Agglayer Developer Portal

Access production-ready code examples, interactive tools, and real implementations you can deploy immediately.

Open Portal →