Please note: For this RPC method, the block range defined by the start and end slots is limited to a maximum of 5 slots for a free trial account and 1,005 slots for paid accounts.

Parameters

start_slot

string

REQUIRED

The start slot encoded as an u64 integer

end_slot

string

The end slot encoded as an u64 integer

object

object

The configuration object with the following fields:

commitment

string

The level of commitment required for the query. It can be one of:

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 supermajority of the cluster

Returns

result

An array of u64 integers representing confirmed blocks within the specified start_slot to end_slot range.

Request

1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  -d '{
5
    "jsonrpc": "2.0",
6
    "id":1,
7
    "method":"getBlocks",
8
    "params":[335819351, 335819361]
9
  }'

1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  -d '{
5
    "jsonrpc": "2.0",
6
    "id":1,
7
    "method":"getBlocks",
8
    "params":[335819351, 335819361]
9
  }'

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": "getBlocks",
16
  "params": [
17
    5,
18
    10
19
  ]
20
})
21

22
response = https.request(request)
23
puts response.read_body
24

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": "getBlocks",
16
  "params": [
17
    5,
18
    10
19
  ]
20
})
21

22
response = https.request(request)
23
puts response.read_body
24

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.getBlocks(5, 10));
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.getBlocks(5, 10));
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 blocks = await solanaRpc.getBlocks(BigInt(5), BigInt(10)).send();
8
    console.log("Blocks:", blocks);
9
  } catch (error) {
10
    console.error("Error fetching blocks:", 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 blocks = await solanaRpc.getBlocks(BigInt(5), BigInt(10)).send();
8
    console.log("Blocks:", blocks);
9
  } catch (error) {
10
    console.error("Error fetching blocks:", 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_blocks(5, 10))

1
from solana.rpc.api import Client
2
solana_client = Client("https://docs-demo.solana-mainnet.quiknode.pro/")
3
print(solana_client.get_blocks(5, 10))

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": "getBlocks",
16
        "params": [
17
            5,
18
            10
19
        ]
20
    }
21
    "#;
22
    let response = client
23
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
24
        .headers(headers)
25
        .body(json_data)
26
        .send()
27
        .await?; 
28

29
    let body = response.text().await?;
30
    println!("{}", body);
31

32
    Ok(())
33
}
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": "getBlocks",
16
        "params": [
17
            5,
18
            10
19
        ]
20
    }
21
    "#;
22
    let response = client
23
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
24
        .headers(headers)
25
        .body(json_data)
26
        .send()
27
        .await?; 
28

29
    let body = response.text().await?;
30
    println!("{}", body);
31

32
    Ok(())
33
}
34

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'getBlocks',
7
  [
8
  335819351,
9
  335819361
10
],
11
  undefined,
12
  'https://docs-demo.solana-mainnet.quiknode.pro/'
13
)
14

15
console.log(result)

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'getBlocks',
7
  [
8
  335819351,
9
  335819361
10
],
11
  undefined,
12
  'https://docs-demo.solana-mainnet.quiknode.pro/'
13
)
14

15
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
        "getBlocks",
8
        [
9
            335819351,
10
            335819361
11
        ],
12
        endpoint_url="https://docs-demo.solana-mainnet.quiknode.pro/",
13
    )
14
    print(result)
15

16
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
        "getBlocks",
8
        [
9
            335819351,
10
            335819361
11
        ],
12
        endpoint_url="https://docs-demo.solana-mainnet.quiknode.pro/",
13
    )
14
    print(result)
15

16
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: "getBlocks",
7
  params: [
8
    335819351,
9
    335819361
10
  ],
11
  endpoint_url: "https://docs-demo.solana-mainnet.quiknode.pro/"
12
)
13

14
puts result

1
require "quicknode_sdk"
2

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

5
result = qn.rpc.call(
6
  method: "getBlocks",
7
  params: [
8
    335819351,
9
    335819361
10
  ],
11
  endpoint_url: "https://docs-demo.solana-mainnet.quiknode.pro/"
12
)
13

14
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
            "getBlocks",
10
            Some(serde_json::json!([
11
    335819351,
12
    335819361
13
])),
14
            None,
15
            Some("https://docs-demo.solana-mainnet.quiknode.pro/".into()),
16
        )
17
        .await?;
18

19
    println!("{result}");
20
    Ok(())
21
}

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
            "getBlocks",
10
            Some(serde_json::json!([
11
    335819351,
12
    335819361
13
])),
14
            None,
15
            Some("https://docs-demo.solana-mainnet.quiknode.pro/".into()),
16
        )
17
        .await?;
18

19
    println!("{result}");
20
    Ok(())
21
}

Response

1
{
2
  "jsonrpc": "2.0",
3
  "result": [
4
    5,
5
    6,
6
    7,
7
    8,
8
    9,
9
    10
10
  ],
11
  "id": 1
12
}

1
{
2
  "jsonrpc": "2.0",
3
  "result": [
4
    5,
5
    6,
6
    7,
7
    8,
8
    9,
9
    10
10
  ],
11
  "id": 1
12
}

Don't have an account yet?

Create your Quicknode endpoint in seconds and start building

Get started for free