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Data: Arbitrum & Optimism - Wallets, Tokens, Transactions
July 7th, 2025
We’re excited to announce that both Arbitrum and Optimism, two leading Ethereum Layer 2 networks, are now live on Tatum’s Data API! These integrations empower developers to seamlessly access on-chain data from Arbitrum and Optimism through Tatum’s unified, scalable infrastructure.
Whether you’re building analytics dashboards, DeFi protocols, NFT apps, or user portfolio trackers, Tatum simplifies your development by eliminating the need to manage nodes or indexers — just plug into our API and start shipping.
Why Arbitrum & Optimism?
- Arbitrum: High throughput, EVM compatibility, and rapidly growing DeFi ecosystem.
- Optimism: Minimal fees, fast finality, and a thriving on-chain community.
Available Data API endpoints for Arbitrum & Optimism
With full support for ARB and OP, Tatum gives you the power to build fast, data-rich applications on Ethereum’s most adopted L2s — without worrying about the backend complexity.