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The most reliable way to build web3 apps

Powerful APIs, SDKs, and tools to build and scale your web3 app with ease.

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Powering global web3 globally

$100+ Billion

Onchain transaction volume

$1.5 Billion

Royalties to NFT creators

100+ Million

End users
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The complete
developer platform

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Supernode

Meet the web3 engine powering our suite of APIs. Read and write to the blockchain exactly as you want.

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Powerful write APIs for every use case

embedded accounts

Embedded Accounts

Make wallets invisible. Simple, non-custodial accounts to onboard users and transact with web2 UX.

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// 1. Auth Your User const signer = new AlchemySigner({ client: { connection: { rpcUrl }, iframeConfig: { iframeContainerId: "alchemy-signer-iframe-container" }, }, }) signer.authenticate({ type: "email", email: "[email protected]", bundle }); // 2. Create an Account const account = await createMultiOwnerModularAccount({ transport, chain, signer, }); // 3. Use web3! account.signMessage({ message: "Hello, World!" });
Account Contracts

Account Contracts

Optimized ERC-4337 and ERC-6900 smart accounts on Ethereum and L2s.

Code preview

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import { useAccount } from "@alchemy/aa-alchemy/react";
gas manager

Gas Manager

Get users to your magic moment faster by removing the biggest barrier with gas sponsorship.

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import { smartAccountClient } from "./smartAccountClient.ts"; // Send a sponsored UO from your smart account like this: const { hash } = await smartAccountClient.sendUserOperation({ target: "0xTargetAddress", data: "0xCallData", value: 0n, // value in bigint or leave undefined });
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Bundler

Simulate and land userOps onchain, reliably at scale.

Transact

Transact

7.9x faster, 100% success rate. Transaction simulation, frontrunning protection, and real-time notifications.

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curl --request POST \ --url https://eth-mainnet.g.alchemy.com/v2/docs-demo \ --header 'accept: application/json' \ --header 'content-type: application/json' \ --data ' { "method": "alchemy_sendGasOptimizedTransaction" } '
Transaction Simulation

Transaction Simulation

Transact with confidence. Preview how transactions will behave onchain, and keep your assets safe.

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curl --request POST \ --url https://eth-mainnet.g.alchemy.com/v2/docs-demo \ --header 'accept: application/json' \ --header 'content-type: application/json' \ --data ' { "id": 1, "jsonrpc": "2.0", "method": "alchemy_simulateExecution", "params": [ { "from": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045", "to": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", "value": "0x0", "data": "0xa9059cbb000000000000000000000000fc43f5f9dd45258b3aff31bdbe6561d97e8b71de00000000000000000000000000000000000000000000000000000000000f4240" } ] } '

Reliable read APIs

Subgraphs

Subgraphs

Ship faster with a custom API for your onchain data. Never worry about subgraph downtime or lag again.

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cd <SUBGRAPH_DIRECTORY> graph deploy <SUBGRAPH_NAME> \ --version-label <VERSION_NAME> \ --node https://subgraphs.alchemy.com/api/subgraphs/deploy \ --deploy-key <DEPLOY_KEY> --ipfs https://ipfs.satsuma.xyz
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NFT API

The multichain API to launch, verify, analyze, trade and display NFTs.

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curl --request GET \ --url 'https://eth-mainnet.g.alchemy.com/nft/v3/docs-demo/getNFTsForOwner?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&amp;withMetadata=true&amp;pageSize=100' \ --header 'accept: application/json'
Token API

Token API

The token data your users expect, no token list required. Available on all EVM-supported chains.

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curl --request POST \ --url https://eth-mainnet.g.alchemy.com/v2/docs-demo \ --header 'accept: application/json' \ --header 'content-type: application/json' \ --data ' { "id": 1, "jsonrpc": "2.0", "method": "alchemy_getTokenBalances", "params": [ "0x95222290DD7278Aa3Ddd389Cc1E1d165CC4BAfe5", "erc20" ] } '
Custom Webhooks

Custom Webhooks

Infinite data access, precise filter controls.

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curl --request POST \ --url https://dashboard.alchemy.com/api/graphql/variables/variable \ --header 'content-type: application/json'
Transfers API

Transfers API

100x faster than others. One request to get all historical transaction activity, including internal transfers.

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curl --request POST \ --url https://eth-mainnet.g.alchemy.com/v2/docs-demo \ --header 'accept: application/json' \ --header 'content-type: application/json' \ --data ' { "id": 1, "jsonrpc": "2.0", "method": "alchemy_getAssetTransfers", "params": [ { "fromBlock": "0x0", "toBlock": "latest", "toAddress": "0x5c43B1eD97e52d009611D89b74fA829FE4ac56b1", "withMetadata": false, "excludeZeroValue": true, "maxCount": "0x3e8" } ] } '
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Smart Websockets

Scalable. Customizable. Easy to set up. Websocket notifications for web3 actions you care about.

Code preview

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// initiate websocket stream first wscat -c wss://eth-mainnet.g.alchemy.com/v2/demo // then call subscription {"jsonrpc":"2.0","id": 1, "method": "eth_subscribe", "params": ["logs", {"address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48", "topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}]}
Webhooks

Webhooks

Fast, consistent push notifications. Zero missed updates. Massive savings.

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curl --request POST \ --url https://dashboard.alchemy.com/api/create-webhook \ --header 'accept: application/json' \ --header 'content-type: application/json' \ --data ' { "network": "ETH_MAINNET", "webhook_type": "GRAPHQL" } '
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Driving web3 growth

$1.5B+trading volume

"Working with Alchemy has helped us save the equivalent of 3 full-time engineers, who otherwise would have to be heads down on infra maintenance, at all times."

Evgeny Yurtaev

CEO & Co-founder
Zerion

3.5M+wallets integrated

Infrastructure that’s both reliable and scalable, so that we can stay up when our customers need us most - that’s huge for Collab.Land. Alchemy is the GOAT here.

Raymond Feng

CTO and Co-founder
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100k+users served

Alchemy's AA infra has played a crucial role in powering CyberAccount, contributing massively to our ability to serve hundreds of thousands of users in real time. Their team's quick response times and attention to detail have been fundamental to our success.

Ryan Li

Co-founder
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Alchemy SDK

Query blockchain data with two lines of code

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Account Abstraction SDK

Simplify account abstraction development

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Developer Tools

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Supported chains

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Plans built for many teams

Developer-first pricing

Free

Web3’s most powerful free tier.


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For organizations who need custom throughput and world class support

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Build blockchain magic

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