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Version: 2.2

Arbitrum JSON RPC API

Introduction​

Arbitrum is a Layer 2 scaling solution for Ethereum that leverages optimistic rollups to improve transaction speed and reduce fees. By bundling multiple transactions together and posting them on the Ethereum main chain, Arbitrum significantly enhances the throughput while retaining the security of Ethereum. Arbitrum is ideal for decentralized finance (DeFi) applications and developers seeking fast and affordable Ethereum-compatible solutions.

Supported Networks​

The Arbitrum RPC API is available for the following networks:

  1. Arbitrum Mainnet
  2. Arbitrum Sepolia Testnet

Network Details​

NetworkChain IDEVM ChainRPC URLs
Arbitrum Mainnet0xa4b1 (42161)EvmChain.ARBITRUMhttps://site1.moralis-nodes.com/arbitrum/
https://site2.moralis-nodes.com/arbitrum/
Arbitrum Sepolia0x66eee (421614)EvmChain.ARBITRUM_SEPOLIAhttps://site1.moralis-nodes.com/arbitrum-sepolia/
https://site2.moralis-nodes.com/arbitrum-sepolia/

Supported RPC Methods​

Supported Extended RPC Methods​