Alchemy Install & Auth

Overview

Install the alchemy-sdk npm package and configure API authentication. Alchemy provides blockchain infrastructure (RPC nodes, Enhanced APIs, NFT APIs, webhooks) across Ethereum, Polygon, Arbitrum, Optimism, Base, and Solana.

Prerequisites

• Node.js 18+ (or Python 3.10+ for alchemy-sdk Python)
• Free Alchemy account at alchemy.com
• API key from Alchemy Dashboard

Instructions

Step 1: Install the Alchemy SDK

# JavaScript/TypeScript (official SDK)
npm install alchemy-sdk