validateaddress | Alchemy Docs

Verifies the validity of a given Bitcoin address and provides additional metadata about it.

⚠ This endpoint is only available with Blast access.

apiKeystringRequired

This endpoint expects an object.

addressstringRequiredformat: "^(bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$"

The Bitcoin address to validate.

Validation result and metadata about the address.

isvalidboolean or null

Whether the address is valid.

addressstring or null

The validated Bitcoin address.

scriptPubKeystring or null

The hex encoded scriptPubKey generated by the address.

isscriptboolean or null

Whether the address corresponds to a script.

iswitnessboolean or null

Whether the address is a witness address.

witness_versioninteger or null

The version number of the witness program.

witness_programstring or null

The hex value of the witness program.

1	import requests
2
3	url = "https://bitcoin-mainnet.alchemy-blast.com/v2/:apiKey"
4
5	payload = { "0": "39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7" }
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": {
5	"isvalid": true,
6	"address": "39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7",
7	"scriptPubKey": "a91453ca847feb3986cf2be405429e7e513484e0bc9387",
8	"isscript": true,
9	"iswitness": false
10	}
11	}