To use the platform.validatedBy method on the P-Chain, ensure that the end of your URL includes ext/bc/P.

Parameters

blockchainID

string

REQUIRED

The blockchain’s ID

Returns

subnetID

string

The ID of the Subnet that validates the blockchain

Request

1
curl -X POST "https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "platform.validatedBy",
6
  "params": {
7
    "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
8
  },
9
  "id": 1
10
}'

1
curl -X POST "https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "platform.validatedBy",
6
  "params": {
7
    "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
8
  },
9
  "id": 1
10
}'

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/");
5
    const response = await provider.send("platform.validatedBy", {
6
    "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
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.flare-mainnet.quiknode.pro/ext/bc/C/rpc/");
5
    const response = await provider.send("platform.validatedBy", {
6
    "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
7
});
8
    console.log(response);
9
}
10

11
main();

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/'))
3
response = w3.provider.make_request("platform.validatedBy", {"blockchainID":"umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"})
4
print(response)

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/'))
3
response = w3.provider.make_request("platform.validatedBy", {"blockchainID":"umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"})
4
print(response)

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

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

8
    const result = await client.request({
9
        method: 'platform.validatedBy',
10
        params: {
11
          "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
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.flare-mainnet.quiknode.pro/ext/bc/C/rpc/')
6
    })
7

8
    const result = await client.request({
9
        method: 'platform.validatedBy',
10
        params: {
11
          "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
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
  'platform.validatedBy',
7
  {
8
  "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
9
},
10
  undefined,
11
  'https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/'
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
  'platform.validatedBy',
7
  {
8
  "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
9
},
10
  undefined,
11
  'https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/'
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
        "platform.validatedBy",
8
        {
9
            "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
10
        },
11
        endpoint_url="https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/",
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
        "platform.validatedBy",
8
        {
9
            "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
10
        },
11
        endpoint_url="https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/",
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: "platform.validatedBy",
7
  params: {
8
    "blockchainID" => "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
9
  },
10
  endpoint_url: "https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/"
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: "platform.validatedBy",
7
  params: {
8
    "blockchainID" => "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
9
  },
10
  endpoint_url: "https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/"
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
            "platform.validatedBy",
10
            Some(serde_json::json!({
11
    "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
12
})),
13
            None,
14
            Some("https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/".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
            "platform.validatedBy",
10
            Some(serde_json::json!({
11
    "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
12
})),
13
            None,
14
            Some("https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/".into()),
15
        )
16
        .await?;
17

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

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'platform.validatedBy',
4
    params: {"blockchainID":"umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"},
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/', {
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: 'platform.validatedBy',
4
    params: {"blockchainID":"umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"},
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc/', {
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.flare-mainnet.quiknode.pro/ext/bc/C/rpc/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "platform.validatedBy",
9
  "params": {
10
    "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
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.flare-mainnet.quiknode.pro/ext/bc/C/rpc/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "platform.validatedBy",
9
  "params": {
10
    "blockchainID": "umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"
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.flare-mainnet.quiknode.pro/ext/bc/C/rpc/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "platform.validatedBy",
11
  params: {"blockchainID":"umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"}
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.flare-mainnet.quiknode.pro/ext/bc/C/rpc/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "platform.validatedBy",
11
  params: {"blockchainID":"umkbhSrjVw5nUvy1eo25AdrjRkPBdtzAMewuxA2rqEx4YMo4c"}
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": {
4
    "subnetID": "11111111111111111111111111111111LpoYY"
5
  },
6
  "id": 1
7
}

1
{
2
  "jsonrpc": "2.0",
3
  "result": {
4
    "subnetID": "11111111111111111111111111111111LpoYY"
5
  },
6
  "id": 1
7
}

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