Parameters

blockNumberOrHash

string

REQUIRED

The block number as a hexadecimal string, a 32-byte block hash, or the tag latest, safe, or finalized. The pending tag is not supported.

Returns

result

string

The RLP-encoded block header as a 0x-prefixed hexadecimal string.

Request

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

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

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.base-mainnet.quiknode.pro/");
5
    const response = await provider.send("debug_getRawHeader", [
6
    "latest"
7
]);
8
    console.log(response);
9
}
10

11
main();

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.base-mainnet.quiknode.pro/");
5
    const response = await provider.send("debug_getRawHeader", [
6
    "latest"
7
]);
8
    console.log(response);
9
}
10

11
main();

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.base-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("debug_getRawHeader", ["latest"])
4
print(response)

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.base-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("debug_getRawHeader", ["latest"])
4
print(response)

1
import { createPublicClient, http } from 'viem'
2

3
async function main() {
4
    const client = createPublicClient({
5
        transport: http('https://docs-demo.base-mainnet.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'debug_getRawHeader',
10
        params: [
11
          "latest"
12
        ]
13
    })
14

15
    console.log(result)
16
}
17

18
main()

1
import { createPublicClient, http } from 'viem'
2

3
async function main() {
4
    const client = createPublicClient({
5
        transport: http('https://docs-demo.base-mainnet.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'debug_getRawHeader',
10
        params: [
11
          "latest"
12
        ]
13
    })
14

15
    console.log(result)
16
}
17

18
main()

1
import { QuicknodeSdk } from '@quicknode/sdk'
2

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'debug_getRawHeader',
7
  [
8
  "latest"
9
],
10
  undefined,
11
  'https://docs-demo.base-mainnet.quiknode.pro/'
12
)
13

14
console.log(result)

1
import { QuicknodeSdk } from '@quicknode/sdk'
2

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'debug_getRawHeader',
7
  [
8
  "latest"
9
],
10
  undefined,
11
  'https://docs-demo.base-mainnet.quiknode.pro/'
12
)
13

14
console.log(result)

1
import asyncio
2
from quicknode_sdk import QuicknodeSdk, SdkFullConfig
3

4
async def main():
5
    qn = QuicknodeSdk(SdkFullConfig(api_key=None))
6
    result = await qn.rpc.call(
7
        "debug_getRawHeader",
8
        [
9
            "latest"
10
        ],
11
        endpoint_url="https://docs-demo.base-mainnet.quiknode.pro/",
12
    )
13
    print(result)
14

15
asyncio.run(main())

1
import asyncio
2
from quicknode_sdk import QuicknodeSdk, SdkFullConfig
3

4
async def main():
5
    qn = QuicknodeSdk(SdkFullConfig(api_key=None))
6
    result = await qn.rpc.call(
7
        "debug_getRawHeader",
8
        [
9
            "latest"
10
        ],
11
        endpoint_url="https://docs-demo.base-mainnet.quiknode.pro/",
12
    )
13
    print(result)
14

15
asyncio.run(main())

1
require "quicknode_sdk"
2

3
qn = QuicknodeSdk::SDK.from_config(api_key: nil)
4

5
result = qn.rpc.call(
6
  method: "debug_getRawHeader",
7
  params: [
8
    "latest"
9
  ],
10
  endpoint_url: "https://docs-demo.base-mainnet.quiknode.pro/"
11
)
12

13
puts result

1
require "quicknode_sdk"
2

3
qn = QuicknodeSdk::SDK.from_config(api_key: nil)
4

5
result = qn.rpc.call(
6
  method: "debug_getRawHeader",
7
  params: [
8
    "latest"
9
  ],
10
  endpoint_url: "https://docs-demo.base-mainnet.quiknode.pro/"
11
)
12

13
puts result

1
use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};
2

3
#[tokio::main]
4
async fn main() -> Result<(), Box<dyn std::error::Error>> {
5
    let qn = QuicknodeSdk::new(&SdkFullConfig::keyless())?;
6
    let result = qn
7
        .rpc
8
        .call(
9
            "debug_getRawHeader",
10
            Some(serde_json::json!([
11
    "latest"
12
])),
13
            None,
14
            Some("https://docs-demo.base-mainnet.quiknode.pro/".into()),
15
        )
16
        .await?;
17

18
    println!("{result}");
19
    Ok(())
20
}

1
use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};
2

3
#[tokio::main]
4
async fn main() -> Result<(), Box<dyn std::error::Error>> {
5
    let qn = QuicknodeSdk::new(&SdkFullConfig::keyless())?;
6
    let result = qn
7
        .rpc
8
        .call(
9
            "debug_getRawHeader",
10
            Some(serde_json::json!([
11
    "latest"
12
])),
13
            None,
14
            Some("https://docs-demo.base-mainnet.quiknode.pro/".into()),
15
        )
16
        .await?;
17

18
    println!("{result}");
19
    Ok(())
20
}

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

8
async function main() {
9
    const response = await fetch('https://docs-demo.base-mainnet.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: 'debug_getRawHeader',
4
    params: ["latest"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.base-mainnet.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.base-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "debug_getRawHeader",
9
  "params": [
10
    "latest"
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.base-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "debug_getRawHeader",
9
  "params": [
10
    "latest"
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.base-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "debug_getRawHeader",
11
  params: ["latest"]
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.base-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "debug_getRawHeader",
11
  params: ["latest"]
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
  "id": 1,
4
  "result": "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"
5
}

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

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