Parameters

height

integer

REQUIRED

The height index of the block in the blockchain.

Returns

result

string

The hash of the block

error

object | null

(Optional) JSON-RPC error when the request failed; omitted or null on success

code

integer

Error code

message

string

Error message

Request

1
curl -X POST "https://docs-demo.btc.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "getblockhash",
6
  "params": [
7
    1000
8
  ],
9
  "id": 1
10
}'

1
curl -X POST "https://docs-demo.btc.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "getblockhash",
6
  "params": [
7
    1000
8
  ],
9
  "id": 1
10
}'

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'getblockhash',
4
    params: [1000],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.btc.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'getblockhash',
4
    params: [1000],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.btc.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
import requests
2
import json
3

4
url = "https://docs-demo.btc.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "getblockhash",
9
  "params": [
10
    1000
11
  ],
12
  "id": 1
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)

1
import requests
2
import json
3

4
url = "https://docs-demo.btc.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "getblockhash",
9
  "params": [
10
    1000
11
  ],
12
  "id": 1
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.btc.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "getblockhash",
11
  params: [1000]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.btc.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "getblockhash",
11
  params: [1000]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

Response

1
{
2
  "jsonrpc": "2.0",
3
  "result": "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09",
4
  "id": 1
5
}

1
{
2
  "jsonrpc": "2.0",
3
  "result": "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09",
4
  "id": 1
5
}

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