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The complete
developer platform
Powerful write APIs for every use case
Embedded Accounts
Make wallets invisible. Simple, non-custodial accounts to onboard users and transact with web2 UX.
Code preview
// 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!" });
Transact
7.9x faster, 100% success rate. Transaction simulation, frontrunning protection, and real-time notifications.
Code preview
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
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
Pipelines
Save engineering time with fast backfills and reliable, real-time ingestion pipelines.
Subgraphs
Ship faster with a custom API for your onchain data. Never worry about subgraph downtime or lag again.
Code preview
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
Code preview
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
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"
]
}
'
Transfers API
100x faster than others. One request to get all historical transaction activity, including internal transfers.
Code preview
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
// 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"]}]}
Code preview
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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Powering 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-founder3.5M+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-founder100k+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-founderAlchemy SDK
Query blockchain data with two lines of code
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Developer Tools
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Plans built for many teams
Developer-first pricing
24/7 engineering team access
Custom on-demand discounts
24/7 VIP support channels
Committed response time SLAs
SSO / auth management access
Prioritized alpha / beta access
Committed usage discounts
Custom throughput
Unlimited apps
Pay in crypto
Dedicated marketing support
Custom terms
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