eth_sendPrivateTransaction

Send a single private transaction through Flashbots. Private transactions are sent directly to validators and not included in the public mempool.

Path parameters

apiKeystringRequiredDefaults to docs-demo

Request

This endpoint expects an object.

txstringRequiredformat: "^0x[0-9a-fA-F]*$"Defaults to

0x02f87205158459682f00850c51e9727a82520894477db63b8e73aea96f201c3c4f5e8fbfcdd18b5c87038d7ea4c6800080c080a0312d6375e578ab953a41456d4be583a46dced97a9e38f349bb8e7b63d14cfc1ea001daea40332180670568a1864e6d3f910b194903128d4a0a5c499597f3f6ff40

Raw, signed transaction.

maxBlockNumberstringOptionalformat: "^0[xX]([1-9A-Fa-f]+[0-9A-Fa-f]*|0)$"Defaults to 0x2540BE400

Hex-encoded number for the highest block number in which the transaction should be included.

preferencesobjectOptional

Transaction preferences.

Response

Returns the transaction hash (32-byte hex string).

1	import requests
2
3	url = "https://eth-mainnet.g.alchemy.com/v2/:apiKey"
4
5	payload = {
6	"0": "0x02f87205158459682f00850c51e9727a82520894477db63b8e73aea96f201c3c4f5e8fbfcdd18b5c87038d7ea4c6800080c080a0312d6375e578ab953a41456d4be583a46dced97a9e38f349bb8e7b63d14cfc1ea001daea40332180670568a1864e6d3f910b194903128d4a0a5c499597f3f6ff40",
7	"1": "0x2540be400",
8	"2": { "fast": True }
9	}
10	headers = {"Content-Type": "application/json"}
11
12	response = requests.post(url, json=payload, headers=headers)
13
14	print(response.json())

1	{
2	"jsonrpc": "2.0",
3	"id": "1",
4	"result": "0xb1770efb14906e509893b6190359658208ae64d0c56e22f748a1b0869885559e"
5	}