Please note that this method is only available in solana-core v1.9 or newer. Please use getRecentBlockhash for solana-core v1.8

Parameters

object

object

The configuration object with the following fields:

commitment

string

The level of commitment required for the query. The options include:

finalized

string

The node will query the most recent block the cluster has recognized as finalized

confirmed

string

The node will query the most recent block that has been voted on by the supermajority of the cluster

processed

string

The node will query its most recent block. Note that the block may not be complete

minContextSlot

integer

The minimum slot at which the request can be evaluated

Returns

result

The RpcResponse JSON object with the following fields:

context

The information about the current state of the program

apiVersion

The version of the Solana RPC API to use

slot

An integer representing the slot for which to retrieve the fee calculator

value

A JSON object with the following fields:

blockhash

The block hash encoded as base-58 string

lastValidBlockHeight

The last block height at which the blockhash will be valid

Request

1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"jsonrpc":"2.0","id":1, "method":"getLatestBlockhash", "params": [{"commitment":"processed"}]}'

1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"jsonrpc":"2.0","id":1, "method":"getLatestBlockhash", "params": [{"commitment":"processed"}]}'

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

5
url = URI("https://docs-demo.solana-mainnet.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
  "jsonrpc": "2.0",
14
  "id": 1,
15
  "method": "getLatestBlockhash",
16
  "params": [
17
    {
18
      "commitment": "processed"
19
    }
20
  ]
21
})
22

23
response = https.request(request)
24
puts response.read_body
25

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

5
url = URI("https://docs-demo.solana-mainnet.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
  "jsonrpc": "2.0",
14
  "id": 1,
15
  "method": "getLatestBlockhash",
16
  "params": [
17
    {
18
      "commitment": "processed"
19
    }
20
  ]
21
})
22

23
response = https.request(request)
24
puts response.read_body
25

1
const web3 = require("@solana/web3.js");
2
(async () => {
3
  const solana = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/");
4
  console.log(await solana.getLatestBlockhash());
5
})();
6

1
const web3 = require("@solana/web3.js");
2
(async () => {
3
  const solana = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/");
4
  console.log(await solana.getLatestBlockhash());
5
})();
6

1
import { createSolanaRpc } from "@solana/kit";
2

3
(async () => {
4
  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
5
  
6
  try {
7
    const latestBlockhash = await solanaRpc.getLatestBlockhash().send();
8
    console.log(latestBlockhash);
9
  } catch (error) {
10
    console.error("Error fetching latest blockhash:", error);
11
  }
12
})();

1
import { createSolanaRpc } from "@solana/kit";
2

3
(async () => {
4
  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
5
  
6
  try {
7
    const latestBlockhash = await solanaRpc.getLatestBlockhash().send();
8
    console.log(latestBlockhash);
9
  } catch (error) {
10
    console.error("Error fetching latest blockhash:", error);
11
  }
12
})();

1
from solana.rpc.api import Client
2
solana_client = Client("https://docs-demo.solana-mainnet.quiknode.pro/")
3
print(solana_client.get_latest_blockhash())

1
from solana.rpc.api import Client
2
solana_client = Client("https://docs-demo.solana-mainnet.quiknode.pro/")
3
print(solana_client.get_latest_blockhash())

1
use reqwest::header;
2
use reqwest::Client;
3
use std::error::Error;
4

5
#[tokio::main]
6
async fn main() -> Result<(), Box<dyn Error>> {
7
    let mut headers = header::HeaderMap::new();
8
    headers.insert("Content-Type", "application/json".parse().unwrap());
9

10
    let client = Client::new();
11
    let json_data = r#"
12
    {
13
        "jsonrpc": "2.0",
14
        "id": 1,
15
        "method": "getLatestBlockhash",
16
        "params": [
17
            {
18
                "commitment": "processed"
19
            }
20
        ]
21
    }
22
    "#;
23
    let response = client
24
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
25
        .headers(headers)
26
        .body(json_data)
27
        .send()
28
        .await?; 
29

30
    let body = response.text().await?;
31
    println!("{}", body);
32

33
    Ok(())
34
}

1
use reqwest::header;
2
use reqwest::Client;
3
use std::error::Error;
4

5
#[tokio::main]
6
async fn main() -> Result<(), Box<dyn Error>> {
7
    let mut headers = header::HeaderMap::new();
8
    headers.insert("Content-Type", "application/json".parse().unwrap());
9

10
    let client = Client::new();
11
    let json_data = r#"
12
    {
13
        "jsonrpc": "2.0",
14
        "id": 1,
15
        "method": "getLatestBlockhash",
16
        "params": [
17
            {
18
                "commitment": "processed"
19
            }
20
        ]
21
    }
22
    "#;
23
    let response = client
24
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
25
        .headers(headers)
26
        .body(json_data)
27
        .send()
28
        .await?; 
29

30
    let body = response.text().await?;
31
    println!("{}", body);
32

33
    Ok(())
34
}

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'getLatestBlockhash',
7
  [
8
  {
9
    "commitment": "processed"
10
  }
11
],
12
  undefined,
13
  'https://docs-demo.solana-mainnet.quiknode.pro/'
14
)
15

16
console.log(result)

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'getLatestBlockhash',
7
  [
8
  {
9
    "commitment": "processed"
10
  }
11
],
12
  undefined,
13
  'https://docs-demo.solana-mainnet.quiknode.pro/'
14
)
15

16
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
        "getLatestBlockhash",
8
        [
9
            {
10
                "commitment": "processed"
11
            }
12
        ],
13
        endpoint_url="https://docs-demo.solana-mainnet.quiknode.pro/",
14
    )
15
    print(result)
16

17
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
        "getLatestBlockhash",
8
        [
9
            {
10
                "commitment": "processed"
11
            }
12
        ],
13
        endpoint_url="https://docs-demo.solana-mainnet.quiknode.pro/",
14
    )
15
    print(result)
16

17
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: "getLatestBlockhash",
7
  params: [
8
    {
9
      "commitment" => "processed"
10
    }
11
  ],
12
  endpoint_url: "https://docs-demo.solana-mainnet.quiknode.pro/"
13
)
14

15
puts result

1
require "quicknode_sdk"
2

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

5
result = qn.rpc.call(
6
  method: "getLatestBlockhash",
7
  params: [
8
    {
9
      "commitment" => "processed"
10
    }
11
  ],
12
  endpoint_url: "https://docs-demo.solana-mainnet.quiknode.pro/"
13
)
14

15
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
            "getLatestBlockhash",
10
            Some(serde_json::json!([
11
    {
12
        "commitment": "processed"
13
    }
14
])),
15
            None,
16
            Some("https://docs-demo.solana-mainnet.quiknode.pro/".into()),
17
        )
18
        .await?;
19

20
    println!("{result}");
21
    Ok(())
22
}

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
            "getLatestBlockhash",
10
            Some(serde_json::json!([
11
    {
12
        "commitment": "processed"
13
    }
14
])),
15
            None,
16
            Some("https://docs-demo.solana-mainnet.quiknode.pro/".into()),
17
        )
18
        .await?;
19

20
    println!("{result}");
21
    Ok(())
22
}

Response

1
{
2
  "jsonrpc": "2.0",
3
  "result": {
4
    "context": {
5
      "slot": 2792
6
    },
7
    "value": {
8
      "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
9
      "lastValidBlockHeight": 3090
10
    }
11
  },
12
  "id": 1
13
}

1
{
2
  "jsonrpc": "2.0",
3
  "result": {
4
    "context": {
5
      "slot": 2792
6
    },
7
    "value": {
8
      "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
9
      "lastValidBlockHeight": 3090
10
    }
11
  },
12
  "id": 1
13
}

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