Path Parameters

blockId

string

REQUIRED

Block identifier, as the block height or block hash.

Returns

number

string

The block number in hexadecimal format

parentHash

string

The hash of the parent block, which links the current block to its predecessor

stateRoot

string

The hash of the state trie root after all extrinsics in the block have been executed

extrinsicRoot

string

The Merkle root of all extrinsics included in the block

digest

object

The digest object which contains the following fields:

logs

array

A list of logs that provide consensus-specific information

preRuntime

array

The log entry containing consensus engine-specific data before block execution

seal

array

The log entry containing the block's final seal, used to verify the block's validity.

extrinsics

string

A list of extrinsics (transactions) included in the block

Request

1
# AssetHub (default) - for block header from AssetHub parachain
2
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header' \
3
--header 'Accept: application/json'
4

5
# Polkadot Relaychain - for block header from Relaychain (requires /rc prefix)
6
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/rc/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header' \
7
--header 'Accept: application/json'

1
# AssetHub (default) - for block header from AssetHub parachain
2
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header' \
3
--header 'Accept: application/json'
4

5
# Polkadot Relaychain - for block header from Relaychain (requires /rc prefix)
6
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/rc/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header' \
7
--header 'Accept: application/json'

1
// For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
2

3
const myHeaders = new Headers();
4
myHeaders.append("Accept", "application/json");
5

6
const requestOptions = {
7
  method: "GET",
8
  headers: myHeaders,
9
  redirect: "follow"
10
};
11

12
  fetch("https://docs-demo.dot-mainnet.quiknode.pro/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header", requestOptions)
13
    .then((response) => response.text())
14
    .then((result) => console.log(result))
15
    .catch((error) => console.error(error));
16

1
// For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
2

3
const myHeaders = new Headers();
4
myHeaders.append("Accept", "application/json");
5

6
const requestOptions = {
7
  method: "GET",
8
  headers: myHeaders,
9
  redirect: "follow"
10
};
11

12
  fetch("https://docs-demo.dot-mainnet.quiknode.pro/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header", requestOptions)
13
    .then((response) => response.text())
14
    .then((result) => console.log(result))
15
    .catch((error) => console.error(error));
16

1
import requests
2
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
3

4

5
url = "https://docs-demo.dot-mainnet.quiknode.pro/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header"
6
payload = {}
7
headers = {
8
  'Accept': 'application/json'
9
}
10

11
response = requests.request("GET", url, headers=headers, data=payload)
12
print(response.text)
13

1
import requests
2
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
3

4

5
url = "https://docs-demo.dot-mainnet.quiknode.pro/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header"
6
payload = {}
7
headers = {
8
  'Accept': 'application/json'
9
}
10

11
response = requests.request("GET", url, headers=headers, data=payload)
12
print(response.text)
13

1
require "uri"
2
require "net/http"
3
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
4

5

6
url = URI("https://docs-demo.dot-mainnet.quiknode.pro/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header")
7

8
https = Net::HTTP.new(url.host, url.port)
9
https.use_ssl = true
10

11
request = Net::HTTP::Get.new(url)
12

13
response = https.request(request)
14
puts response.read_body
15

1
require "uri"
2
require "net/http"
3
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
4

5

6
url = URI("https://docs-demo.dot-mainnet.quiknode.pro/blocks/0x409d0bfe677594d7558101d574633d5808a6fc373cbd964ef236f00941f290ee/header")
7

8
https = Net::HTTP.new(url.host, url.port)
9
https.use_ssl = true
10

11
request = Net::HTTP::Get.new(url)
12

13
response = https.request(request)
14
puts response.read_body
15

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