Arbitrum docsReference
Chain parameters, contract addresses, RPC providers, and developer tooling.
Reference material for building on Arbitrum: chain parameters, contract addresses, RPC endpoints and providers, monitoring tools, block explorers, and web3 libraries.
Chain parameters
Chain IDs, block times, and gas settings for One and Nova.
Contract addresses
Deployed protocol, token bridge, and governance contracts.
RPC endpoints
Public and premium endpoints, and third-party node providers.
Development frameworks
Hardhat, Foundry, and other build and test tooling.
Web3 libraries
ethers.js, viem, web3.js, and other client libraries.
Explorers and monitoring
Arbiscan, Dune, and other tools for tracking activity.
Debugging tools
Tenderly and other platforms for simulation and tracing.
Understanding the risks
Trust assumptions and upgrade mechanisms on mainnet.
How is this guide?
Reference
Complete API reference for Arbitrum's NodeInterface contract methods, including gas estimation, retryable ticket helpers, and outbox proof construction. Available at address 0xc8 via RPC calls only.
Chain parameters
Reference of key system parameters for Arbitrum One and Arbitrum Nova, including chain IDs, block times, gas settings, and confirmation thresholds for public Arbitrum chains.