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Cheaper, faster, safer transactions

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

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The Smart Transaction Platform

    Create
    Create

    Increased security with static IP addresses and one authentication token per webhook - so if one webhook is compromised, others will not be.

    Simulate
    Simulate

    See how we saved more than $3M annually moving workloads from excessive RPC calls to Alchemy Notify's push based notifications.

    Send
    Send

    Alchemy webhook notifications guarantee “at-least-once” delivery, so you can rest easy knowing you won’t miss an event.

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    Monitor

    With advanced webhooks, monitor your transaction and know right when it's finalized.

Transact APIs for every use case

Transaction Simulation
Transaction Simulation
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Transaction previews for any use case

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

Code preview

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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" } ] } '
Transfers API
Transfers API
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Portfolio management, simplified

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

Code preview

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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" } ] } '
Token API
Token API
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Token balances and metadata

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

Code preview

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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" ] } '
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Build blockchain magic with Alchemy

Alchemy combines the most powerful web3 developer products and tools with resources, community and legendary support.