Arbitrum One

Discover Arbitrum One, a Layer 2 scaling solution for Ethereum. Build faster, low-cost decentralized applications using the RPC gateway.

Arbitrum One’s RPC documentation serves as a comprehensive resource for developers looking to integrate with this Layer 2 scaling solution for Ethereum. The documentation outlines the key API endpoints necessary for interacting with the Arbitrum chain, querying blockchain data, managing smart contracts, and submitting transactions. Built on optimistic rollups, Arbitrum One enhances Ethereum’s scalability by offering faster transactions and lower fees. This guide provides examples and best practices to streamline dApp development on Arbitrum One while leveraging Ethereum’s security.

- Arbitrum One Website: https://arbitrum.io

Arbitrum One RPC Gateway

Arbitrum One chain networks

💎 mainnet
https://arb-one-mainnet.gateway.tatum.io
testnet
https://arb-testnet.gateway.tatum.io

*Supported Blockchains - tiers: 💎 Tier 1, ⭐ Tier 2, ✨ Tier 3

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Quick connection to Arbitrum One

Available Arbitrum One interfaces

Arbitrum One - JSON-RPC

Arbitrum One - Tatum API