Alchemy

alchemy.com

Provides RPC APIs, node infrastructure, and blockchain data/developer tools across Ethereum, Solana, and 100+ other networks for building onchain applications.

The Alchemy API uses api key authentication; has freemium pricing; offers a free tier (Free 30M compute units per month, 25 requests per second, 5 apps & 5 webhooks); rate limits: Free: 25 req/s (500 CU/s); Pay as You Go: from 300 req/s (10,000 CU/s); Enterprise: from 1000 req/s (custom). Verified 2026-07-08 with per-field source links.

Crypto & Blockchain Verified 2026-07-08 high confidence

Base URL

https://eth-mainnet.g.alchemy.com/v2/{apiKey}

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Auth

api_key

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Free tier

Free 30M compute units per month, 25 requests per second, 5 apps & 5 webhooks

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Pricing model

freemium

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Pricing

Free up to 30M CU/month; Pay as You Go $0.45/1M CU for first 300M CU then $0.40/1M CU; Enterprise custom pricing

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Rate limits

Free: 25 req/s (500 CU/s); Pay as You Go: from 300 req/s (10,000 CU/s); Enterprise: from 1000 req/s (custom)

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OpenAPI spec

not documented null

no source

MCP server

Alchemy offers an MCP server for AI agents to call Alchemy APIs

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