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Alchemy

Alchemy

Blockchain developer platform providing node APIs, data APIs, and tooling across 50+ chains.

softwareBlockchain DevWeb3BlockchainNode API
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Our Verdict

Best for

Web3 developers who need reliable multi-chain node access without running their own blockchain infrastructure.

Skip if

You're not building on blockchain, since Alchemy is purely web3/crypto infrastructure.

What is Alchemy?

Alchemy is a web3 infrastructure platform that gives developers reliable node RPC access, data APIs, and smart wallet tooling for building blockchain applications. It supports Ethereum and 50+ other networks including Polygon, Arbitrum, Optimism, Base, and Solana, and is used by companies like Visa, Circle, Stripe, and OpenSea.

SpecificationsAI-estimated

deploymentCloud/SaaS
open source❌ No
api available✅ Yes
support optionsDocs, standard support (free tier), premium and dedicated support on paid tiers
key integrationsEthereum, Polygon, Arbitrum, Optimism, Base, Solana, and 50+ other chains

Key Features of Alchemy

Provides node RPC APIs with real-time, block-accurate blockchain data.
Supports 50+ networks including Ethereum, Polygon, Arbitrum, Optimism, Base, and Solana.
Offers gasless transaction sponsorship so apps can cover user gas fees.
Includes Portfolio and Token Data APIs for building wallet and analytics apps.
Provides webhook push notifications for on-chain events like transfers and mined transactions.
Supplies rollup infrastructure for teams building their own custom chains.
Guarantees 99.99% uptime for production node infrastructure.
Ships AI agent integration tooling via CLI and an MCP server for onchain AI workflows.

Use Cases for Alchemy

1

dApp backend infrastructure

Developers use Alchemy's node RPC API instead of running their own blockchain nodes to power decentralized applications.

2

Wallet and portfolio apps

Teams use the Data and Token APIs to build wallets and portfolio trackers that show balances and transaction history across chains.

3

Gasless onboarding flows

Consumer crypto apps use gas sponsorship to let new users transact without needing to hold native tokens first.

4

Custom chain and rollup deployment

Teams launching their own Layer 2 or app-specific chain use Alchemy's rollup infrastructure and node support.

Pros & Cons of Alchemy

Pros

  • Generous free tier (30M compute units/month) usable for real testing and small apps
  • Broad multi-chain coverage across 50+ networks from one API
  • Used in production by major fintechs like Visa, Circle, and Stripe
  • Usage-based pricing scales cost with actual API consumption

Cons

  • Compute-unit-based billing can be confusing to estimate costs upfront
  • Advanced features like custom rollup infrastructure are aimed at larger teams, not hobbyists
  • Enterprise-grade throughput and SLAs require custom/contact-sales pricing

Frequently Asked Questions

Is Alchemy free to use?

Yes, Alchemy has a free tier with 30M compute units per month, 25 requests/second, and access to all mainnets and testnets before usage-based pricing applies.

Which blockchains does Alchemy support?

Alchemy supports 50+ networks including Ethereum, Polygon, Arbitrum, Optimism, Base, Solana, Starknet, zkSync, and Linea.

Does Alchemy support AI agent development?

Yes, Alchemy offers AI agent integration tooling including a CLI and an MCP server for building onchain AI agent workflows.

Who uses Alchemy in production?

Alchemy is used by companies including Visa, Circle, Stripe, Robinhood, Uniswap, and OpenSea for blockchain infrastructure.

Pricing Overview

View full pricing →
Freemium

Free

$0

Pay As You Go

$0.45 per million CUs

Enterprise

Custom

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Best For

💻Developers🚀Startups & Founders🏢Enterprise Teams

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About the Product

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Platforms
Web
Target AudienceWeb3 developers and fintech companies building blockchain applications

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Web3BlockchainNode APIDeveloper ToolsCrypto Infrastructure

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