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Overview

Experience Coinbase Developer Platform’s (CDP) onchain data tools in just a few minutes. No SDK installation, no complex authentication — just instant access to live blockchain data. In this guide, you will:
  • Query live blockchain data through our SQL Playground
  • Make your first RPC call to Base through our Node Playground

Prerequisites

That’s it! No API keys needed!

1. Run a SQL query

2. Make your first RPC call

SQL Schema

See all available tables and columns

SQL API Reference

Use the SQL API programmatically

RPC Methods

See all available RPC methods

Token Balances API

Get current ERC-20 and native token balances

Webhooks

Get real-time notifications for onchain events

Address History API

Pre-indexed wallet transactions and balance history