Build anything onchain

The complete web3 development platform for wallets, rollups, and apps

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Powering global development onchain

$100+ Billion

Onchain transaction volume

$1.5 Billion

Royalties to NFT creators

100+ Million

End users

The node foundation you build everything on

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

Smart Wallets

Securely onboard and activate users with no seed phrase or gas fees with easy-to-use, enterprise-grade wallets.

Account Contracts

Optimized ERC-4337, ERC-6900, and EIP-7702 smart contract accounts.

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

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
});

Bundler

Simulate and land transactions onchain, reliably at scale.

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

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

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

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&withMetadata=true&pageSize=100' \
     --header 'accept: application/json'

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

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

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"
    }
  ]
}
'

Smart Websockets

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

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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

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"
}
'

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

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

100k+users served

"Alchemy's AA infra has played a crucial role in powering CyberAccount, contributing to our ability to serve 100,00+ users in real time."

Ryan Li

Co-founder

$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

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