eth_sendRawTransaction | Alchemy Docs

Submits a raw transaction (serialized and signed) for broadcasting to the network. The transaction data should be encoded as a hexadecimal string starting with 0x. You can create and sign a transaction externally using libraries like web3.js or ethers.js.

Note: For EIP-4844 transactions, the raw form must be in the network format, which includes blobs, KZG commitments, and KZG proofs.

⚠ This endpoint is only available with Blast access.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

TransactionstringRequiredformat: "^0x[0-9a-f]*$"

The raw transaction data to submit, encoded as a hexadecimal string.

Response

The hash of the submitted transaction, as a hexadecimal string.

1	import requests
2
3	url = "https://superseed-mainnet.alchemy-blast.com/v2/:apiKey"
4
5	payload = { "0": "0xf869018203e882520894f17f52151ebef6c7334fad080c5704d77216b732881bc16d674ec80000801ba02da1c48b670996dcb1f447ef9ef00b33033c48a4fe938f420bec3e56bfd24071a062e0aa78a81bf0290afbc3a9d8e9a068e6d74caa66c5e0fa8a46deaae96b0833" }
6	headers = {"Content-Type": "application/json"}
7
8	response = requests.post(url, json=payload, headers=headers)
9
10	print(response.json())

1	{
2	"jsonrpc": "2.0",
3	"id": "1",
4	"result": "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331"
5	}