Build anything onchain

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

Get your API key

View docs

Rollups

Launch reliable, enterprise-grade rollups on your preferred framework

Get started

Smart Wallets

No seed phrases or gas fees. Just seamless onchain journeys, start to finish

Get started

Data APIs

Get started

Supernode

Get started

$fractal-logo$
$fractal-logo$

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.

Get your API key

Learn more

Powerful write APIs for every use case

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.

Code preview

Copied

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

Gas Manager

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

Code preview

Copied

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.

Code preview

Copied

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.

Code preview

Copied

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.

Code preview

Copied

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.

Code preview

Copied

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.

Code preview

Copied

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.

Code preview

Copied

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.

Code preview

Copied

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.

Code preview

Copied

// 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.

Code preview

Copied

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 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

$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 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