Across Docs
V3 Developer Docs
V3 Developer DocsV2 Developer DocsUser Docs
V3 Developer Docs
V3 Developer DocsV2 Developer DocsUser Docs
  • 👋Introduction
    • Getting Started
    • What is Across?
    • Technical FAQ
    • Migration Guides
      • Migration from V2 to V3
      • Migration to CCTP
        • Migration Guide for Relayers
        • Migration Guide for API Users
      • Migration Guide for Non-EVM and Prefills
        • Breaking Changes for Indexers
        • Breaking Changes for API Users
        • Breaking Changes for Relayers
  • 🔗Use Cases
    • Instant Bridging in your Application
      • Bridge Integration Guide
      • Multi Chain Bridge UI Guide
      • Single Chain Bridge UI Guide
    • Embedded Cross-chain Actions
      • Cross-chain Actions Integration Guide
        • Using the Generic Multicaller Handler Contract
        • Using a Custom Handler Contract
      • Cross-chain Actions UI Guide
    • Settle Cross-chain Intents
  • 🧠Concepts
    • What are Cross-chain Intents?
    • Intents Architecture in Across
    • Intent Lifecycle in Across
    • Canonical Asset Maximalism
  • 🛠️Reference
    • API Reference
    • App SDK Reference
    • Contracts
      • Aleph Zero (Chain ID: 41455)
      • Arbitrum (Chain ID: 42161)
      • Base (Chain ID: 8453)
      • Blast (Chain ID: 81457)
      • Ethereum Mainnet (Chain ID: 1)
      • Linea (Chain ID: 59144)
      • Ink (Chain ID: 57073)
      • Lisk (Chain ID: 1135)
      • Mode (Chain ID: 34443)
      • Optimism (Chain ID: 10)
      • Polygon (Chain ID: 137)
      • Redstone (Chain ID: 690)
      • Scroll (Chain ID: 534352)
      • Soneium (Chain ID: 1868)
      • World Chain (Chain ID: 480)
      • zkSync (Chain ID: 324)
      • Zora (Chain ID: 7777777)
      • Sepolia Testnet
    • Selected Contract Functions
    • Supported Chains
    • Fees in the System
    • Actors in the System
    • Security Model and Verification
      • Disputing Root Bundles
      • Validating Root Bundles
    • Tracking Events
  • 🔁Relayers
    • Running a Relayer
    • Relayer Exclusivity
  • 📚Resources
    • Release Notes
    • Developer Support
    • Bug Bounty
    • Audits
    • New Chain Requests
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  1. Reference

Supported Chains

Mainnet Chains

Name
Chain ID

41455

42161

8453

81457

1

57073

59144

1135

34443

10

137

690

534352

1868

480

324

7777777

Testnet Chains

Name
Chain ID

Arbitrum

421614

Base

84532

Blast

168587773

Ethereum

11155111

Lisk

4202

Mode

919

Optimism

11155420

Polygon (Amoy)

80002

PreviousSelected Contract FunctionsNextFees in the System

Last updated 3 days ago

🛠️
  • Mainnet Chains
  • Testnet Chains
Aleph Zero
Arbitrum
Base
Blast
Ethereum
Ink
Linea
Lisk
Mode
Optimism
Polygon
Redstone
Scroll
Soneium
World Chain
zkSync
Zora