Parameters

blockNumber/tag

string

REQUIRED

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Returns

object

object | null

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baseFeePerGas

string

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difficulty

string

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extraData

string

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gasLimit

string

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gasUsed

string

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hash

string | null

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logsBloom

string | null

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miner

string

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mixHash

string

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nonce

string | null

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number

string | null

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parentHash

string

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receiptsRoot

string

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sha3Uncles

string

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size

string

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stateRoot

string

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timestamp

string

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totalDifficulty

string

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transactionsRoot

string

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blobGasUsed

string

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excessBlobGas

string

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randomReveal

string

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Request

1
curl https://docs-demo.kaia-kairos.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"method":"eth_getHeaderByNumber","params":["latest"],"id":1,"jsonrpc":"2.0"}'

1
curl https://docs-demo.kaia-kairos.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"method":"eth_getHeaderByNumber","params":["latest"],"id":1,"jsonrpc":"2.0"}'

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.kaia-kairos.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "eth_getHeaderByNumber",
7
    "params": ["latest"],
8
    "id": "1"
9
}
10

11
response = client.send(payload.to_json)
12
puts response

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.kaia-kairos.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "eth_getHeaderByNumber",
7
    "params": ["latest"],
8
    "id": "1"
9
}
10

11
response = client.send(payload.to_json)
12
puts response

1
import { ethers } from "ethers";
2
(async () => {
3
  const provider = new ethers.JsonRpcProvider("https://docs-demo.kaia-kairos.quiknode.pro/");
4
  const blockHeader = await provider.send('eth_getHeaderByNumber', ['latest']);
5
  console.log(blockHeader);
6
})();

1
import { ethers } from "ethers";
2
(async () => {
3
  const provider = new ethers.JsonRpcProvider("https://docs-demo.kaia-kairos.quiknode.pro/");
4
  const blockHeader = await provider.send('eth_getHeaderByNumber', ['latest']);
5
  console.log(blockHeader);
6
})();

1
var myHeaders = new Headers();
2
myHeaders.append("Content-Type", "application/json");
3

4
var raw = JSON.stringify({
5
  "method": "eth_getHeaderByNumber",
6
  "params": [
7
    "latest"
8
  ],
9
  "id": 1,
10
  "jsonrpc": "2.0"
11
});
12

13
var requestOptions = {
14
  method: 'POST',
15
  headers: myHeaders,
16
  body: raw,
17
  redirect: 'follow'
18
};
19

20
fetch("https://docs-demo.kaia-kairos.quiknode.pro/", requestOptions)
21
  .then(response => response.text())
22
  .then(result => console.log(result))
23
  .catch(error => console.log('error', error));

1
var myHeaders = new Headers();
2
myHeaders.append("Content-Type", "application/json");
3

4
var raw = JSON.stringify({
5
  "method": "eth_getHeaderByNumber",
6
  "params": [
7
    "latest"
8
  ],
9
  "id": 1,
10
  "jsonrpc": "2.0"
11
});
12

13
var requestOptions = {
14
  method: 'POST',
15
  headers: myHeaders,
16
  body: raw,
17
  redirect: 'follow'
18
};
19

20
fetch("https://docs-demo.kaia-kairos.quiknode.pro/", requestOptions)
21
  .then(response => response.text())
22
  .then(result => console.log(result))
23
  .catch(error => console.log('error', error));

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "method": "eth_getHeaderByNumber",
8
  "params": [
9
    "latest"
10
  ],
11
  "id": 1,
12
  "jsonrpc": "2.0"
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)
21

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "method": "eth_getHeaderByNumber",
8
  "params": [
9
    "latest"
10
  ],
11
  "id": 1,
12
  "jsonrpc": "2.0"
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)
21

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

5
url = URI("https://docs-demo.kaia-kairos.quiknode.pro/")
6

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "method": "eth_getHeaderByNumber",
14
  "params": [
15
    "latest"
16
  ],
17
  "id": 1,
18
  "jsonrpc": "2.0"
19
})
20

21
response = https.request(request)
22
puts response.read_body
23

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

5
url = URI("https://docs-demo.kaia-kairos.quiknode.pro/")
6

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "method": "eth_getHeaderByNumber",
14
  "params": [
15
    "latest"
16
  ],
17
  "id": 1,
18
  "jsonrpc": "2.0"
19
})
20

21
response = https.request(request)
22
puts response.read_body
23

1
from web3 import Web3
2
url = 'https://docs-demo.kaia-kairos.quiknode.pro/'
3
w3 = Web3(Web3.HTTPProvider(url))
4
block_header = w3.manager.request_blocking('eth_getHeaderByNumber', ['latest'])
5
print(block_header)

1
from web3 import Web3
2
url = 'https://docs-demo.kaia-kairos.quiknode.pro/'
3
w3 = Web3(Web3.HTTPProvider(url))
4
block_header = w3.manager.request_blocking('eth_getHeaderByNumber', ['latest'])
5
print(block_header)

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