PASAR API

🇲🇾 Alchemy Web3 Node Infrastructure

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AlchemyCryptotier: commercialauth: API keypricing: freemiumverified 2026-06-15

Premier Ethereum/L2 node provider: JSON-RPC for 80+ networks (Ethereum, Polygon, Base, Arbitrum), NFT API, WebSocket subscriptions, smart wallet support. 30M compute units/month free.

View docs ↗ More Crypto APIs

Get started

# Alchemy Web3 Node Infrastructure needs an API key ~ get yours at:
# https://www.alchemy.com/docs
curl 'https://eth-mainnet.g.alchemy.com/v2' \
  -H 'Authorization: Bearer YOUR_TOKEN'

AI prompt

I'm integrating a Malaysian API into my app.

API: Alchemy Web3 Node Infrastructure
Provider: Alchemy
Auth: requires an API key (sign up: https://www.alchemy.com/docs)
Pricing: freemium
Base URL: https://eth-mainnet.g.alchemy.com/v2

Help me set up authentication and make my first successful request ~ explain exactly where the credentials go.

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