> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.galleon8.com/api-reference/node-api/solana/api-endpoints/standard-api/get-latest-blockhash/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.galleon8.com/_mcp/server.

# getLatestBlockhash

POST https://node-api-docs-proxy.galleon8.workers.dev
Content-Type: application/json

Returns the latest recent blockhash and last valid block height.

Reference: https://docs.galleon8.com/api-reference/node-api/solana/api-endpoints/standard-api/get-latest-blockhash

## Request

### Body (application/json)

This endpoint expects an object.

- `config` (CommitmentConfig, optional) — Optional commitment configuration.

## Response

### 200

Latest blockhash data with response context.

- `context` (RpcContext, required) — Response context for a Solana RPC result.
- `value` (LatestBlockhashValue, required) — Latest blockhash and validity window.

## Types

### CommitmentConfig

Configuration object for methods that accept commitment.

- `commitment` (enum, optional) — Solana commitment level.
  - Allowed values: `processed`, `confirmed`, `finalized`
- `minContextSlot` (integer, optional) — Solana slot number.

### RpcContext

Response context for a Solana RPC result.

- `slot` (integer, required) — Solana slot number.
- `apiVersion` (string, optional)

### LatestBlockhashValue

Latest blockhash and validity window.

- `blockhash` (string, required) — Base58-encoded Solana value.
- `lastValidBlockHeight` (integer, required) — Solana block height.

## Examples

**Request**

```json
[
  {
    "commitment": "finalized"
  }
]
```

**Response**

```json
{
  "jsonrpc": "2.0",
  "id": "1",
  "result": {
    "context": {
      "apiVersion": "2.2.3",
      "slot": 374628996
    },
    "value": {
      "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
      "lastValidBlockHeight": 342093297
    }
  }
}
```

**SDK Code**

```python
import requests

url = "https://node-api-docs-proxy.galleon8.workers.dev/"

payload = [{ "commitment": "finalized" }]
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://node-api-docs-proxy.galleon8.workers.dev/';
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: '[{"commitment":"finalized"}]'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://node-api-docs-proxy.galleon8.workers.dev/"

	payload := strings.NewReader("[\n  {\n    \"commitment\": \"finalized\"\n  }\n]")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://node-api-docs-proxy.galleon8.workers.dev/")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "[\n  {\n    \"commitment\": \"finalized\"\n  }\n]"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://node-api-docs-proxy.galleon8.workers.dev/")
  .header("Content-Type", "application/json")
  .body("[\n  {\n    \"commitment\": \"finalized\"\n  }\n]")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://node-api-docs-proxy.galleon8.workers.dev/', [
  'body' => '[
  {
    "commitment": "finalized"
  }
]',
  'headers' => [
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://node-api-docs-proxy.galleon8.workers.dev/");
var request = new RestRequest(Method.POST);
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "[\n  {\n    \"commitment\": \"finalized\"\n  }\n]", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Content-Type": "application/json"]
let parameters = [["commitment": "finalized"]] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://node-api-docs-proxy.galleon8.workers.dev/")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```