> For a complete page index, fetch https://docs.conduit.xyz/llms.txt

# web3_clientVersion

POST https://rpc.plume.org/YOUR_API_KEY

Returns the current client version string. This includes the protocol version, build environment, and other client-specific information.

⚡ Compute Units: [15 CU](https://docs.conduit.xyz/rpc-nodes/information/compute-units)

Reference: https://docs.conduit.xyz/rpc-nodes/json-rpc-reference/web-3-client-version

## Response

### 200

The client version string. The exact value depends on the rollup stack and client your Conduit chain runs; the example below is real output from Plume Mainnet (Arbitrum Nitro).

- `string`

## Examples

**Response**

```json
{
  "id": "1",
  "jsonrpc": "2.0",
  "result": "nitro/vdevelopment/linux-amd64/go1.25.12"
}
```

**SDK Code**

```python
import requests

url = "https://rpc.plume.org/YOUR_API_KEY"

headers = {"Content-Type": "application/json"}

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

print(response.json())
```

```javascript
const url = 'https://rpc.plume.org/YOUR_API_KEY';
const options = {method: 'POST', headers: {'Content-Type': 'application/json'}};

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"
	"net/http"
	"io"
)

func main() {

	url := "https://rpc.plume.org/YOUR_API_KEY"

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

	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://rpc.plume.org/YOUR_API_KEY")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'

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://rpc.plume.org/YOUR_API_KEY")
  .header("Content-Type", "application/json")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://rpc.plume.org/YOUR_API_KEY', [
  'headers' => [
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://rpc.plume.org/YOUR_API_KEY");
var request = new RestRequest(Method.POST);
request.AddHeader("Content-Type", "application/json");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Content-Type": "application/json"]

let request = NSMutableURLRequest(url: NSURL(string: "https://rpc.plume.org/YOUR_API_KEY")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers

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()
```