Supported ChainsFoundationalEthereum
Power Your Ethereum Apps with Real-Time and Historical Blockchain Data

Ethereum is the foundational smart contract platform powering the majority of DeFi, NFTs, and Web3 innovation. The most secure and decentralized programmable blockchain.

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From $250/mo with SLA supportView Plans & Pricing

Overview

GoldRush's Ethereum APIs power everything from weekend side projects to billion-dollar apps.Get fast, accurate Ethereum data with simple REST or WebSocket APIs. We index the full chain, from genesis to the latest block, covering balances, transactions, logs, pricing, and smart contract events. No node infrastructure required.

Built for:

Learning & experimentingBuild your first Ethereum app

Trading & DeFiLaunch bots, dashboards, or analytics tools

Building at scaleEnterprise wallets, compliance, or infrastructure

Supported Products

Foundational API

Access structured historical data on any address using REST APIs.

Token Balances

Transactions and Wallet Activity

Security and Approvals API

Streaming API

Real-time, structured data on blockchain events over WebSockets. No polling. No lag.

Streaming Token Balances

OHLCV and Candlestick Data

Wallet Activity

New DEX Pairs

Foundational API

Chain name	Chain ID	Block explorer	Blocktime (seconds)	Type	Last Synced Block Timestamp
eth-mainnet	1	https://etherscan.io/	12	Mainnet	Loading...
eth-sepolia	11155111	https://sepolia.etherscan.io/	8	Testnet	Loading...
eth-holesky	17000	https://holesky.etherscan.io/	12	Testnet	Loading...