New

Introducing Cortex, the world's first intelligent blockchain engine

Build anything onchain

The full developer platform for apps, wallets, rollups, and more.

Start building

View docs

Powering the best

The blockchain platform you build everything on

Build the fastest, most reliable apps for millions of people worldwide—stablecoins, tokenization, real-world assets, and more.

The lowest latency for your users anywhere in the world, the best reliability track-record in the industry, and unlimited elastic throughput to scale instantly.

$150B+

in transactions annually

A graphic showing users around the globe

100M+

humans using crypto apps

71%+

of top apps powered

Powering the best apps in crypto

$15.5B+ in trading volume

Polymarket uses RPC and Data APIs

Priority blockspace for 13M humans

World app uses RPC APIs, Rollups, and Smart Wallets

22M+ funded accounts

Robinhood uses RPC and Data APIs

Introducing Cortex

The blockchain engine supercharging all our products

Now 2.5x faster, 5x more reliable, with 500x more throughput

The world's first

Intelligent blockchain engine

Architected from the ground up over the last 2 years, Cortex was trained on data from 7 years powering hundreds of billions in transactions for the top crypto companies worldwide.

Learn more about Cortex

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.

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"
}
'

Supporting top teams onchain

$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

13M+NFTs minted

Alchemy's smart wallets are huge for Anime.com! It lets us tap into the benefits of Web3 without its complexity, creating a seamless user experience—even for non-crypto-native users. This aligns perfectly with our long-term goal of onboarding the global anime fanbase.

2pmflow

CTO

$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

13M+NFTs minted

Alchemy's smart wallets are huge for Anime.com! It lets us tap into the benefits of Web3 without its complexity, creating a seamless user experience—even for non-crypto-native users. This aligns perfectly with our long-term goal of onboarding the global anime fanbase.

2pmflow

CTO