Base Blockchain

Query Base (Ethereum L2) on-chain data enriched with USD pricing. No API key needed — uses public RPC + CoinGecko.

Base RPC Endpoints

Mainnet: https://mainnet.base.org
Testnet: https://sepolia.base.org
Chain ID: 8453 (mainnet) / 84532 (testnet)

Python Setup

import urllib.request, json

RPC = "https://mainnet.base.org"