submitblock | Alchemy Docs

Attempts to submit a new block to the network. The block data must be hex-encoded.

apiKeystringRequiredDefaults to docs-demo

This endpoint expects an object.

hexdatastringRequired

The hex-encoded block data to submit.

dummystringOptional

Dummy value for compatibility with BIP22. This value is ignored.

Returns null when valid, or a string error message according to BIP22 otherwise.

1	import requests
2
3	url = "https://bitcoin-mainnet.g.alchemy.com/v2/:apiKey"
4
5	payload = ["0000002073bd2184edd74c5c5b4c0c5be04d0e8f5d6b7d5b3b1b1d8e8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c8b8c"]
6	headers = {"Content-Type": "application/json"}
7
8	response = requests.post(url, json=payload, headers=headers)
9
10	print(response.json())