getblockhash

---

description: Gives back the block's hash given its height.

getblockhash

Example Request and Result for getblockhash method

In this section, we provide an illustrative example of a request made to retrieve details contents using the getblockhash method. Additionally, we present the resulting response containing information about the block hash in the chain.

Parameters

Field	Type	Description
height*	numeric	The height index

info

The example in this section uses a non-existing project id.

Make sure you replace it with your Bitcoin mainnet or Bitcoin Testnet endpoint when issuing the API calls.

Don't have a project id? Here's a straightforward guide on how to obtain one!

gives back the block's hash given its height.

POST https://bitcoin-mainnet.blastapi.io/<project-id>

Request Body

Name	Type	Description
jsonrpc*	string	1.0
id*	string	bwarelabs
method*	string	getblockhash
params*	array<string>	[23465]

200: OK

{
    "result": "00000000fc9d999e0556251ca99b0eae4c1578c77e0b010220f0b9e632a550a8",
    "error": null,
    "id": "bwarelabs"
}

Curl Request example

curl --location 'https://bitcoin-mainnet.blastapi.io/<project-id>' \
--header 'Content-Type: application/json' \
--data '{
    "jsonrpc": "1.0",
    "id": "bwarelabs",
    "method": "getblockhash",
    "params": [
        23465
    ]
}'