> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://okx-demo.ferndocs.com/api/api-reference/market/get-index-components/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://okx-demo.ferndocs.com/_mcp/server.

# Get index components

GET https://www.okx.com/api/v5/market/index-components

Retrieve the index constituents and their weightings for a given spot index.

Reference: https://okx-demo.ferndocs.com/api/api-reference/market/get-index-components

## Request

### Query parameters

- `index` (string, required) — Index, e.g. BTC-USDT.

## Response

### 200

Successful response

- `code` (string, optional) — Result code. `0` means success; any other value is an error code.
- `msg` (string, optional) — Error message. Empty on success.
- `data` (map from string to any, optional)

## Examples

**Response**

```json
{
  "code": "0",
  "msg": "",
  "data": {
    "components": [
      {
        "cnvPx": "52733.2",
        "exch": "OKX",
        "symPx": "52733.2",
        "symbol": "BTC/USDT",
        "wgt": "0.25"
      },
      {
        "cnvPx": "52739.87000000",
        "exch": "Binance",
        "symPx": "52739.87000000",
        "symbol": "BTC/USDT",
        "wgt": "0.25"
      },
      {
        "cnvPx": "52729.1",
        "exch": "Huobi",
        "symPx": "52729.1",
        "symbol": "BTC/USDT",
        "wgt": "0.25"
      },
      {
        "cnvPx": "52739.47929397",
        "exch": "Poloniex",
        "symPx": "52739.47929397",
        "symbol": "BTC/USDT",
        "wgt": "0.25"
      }
    ],
    "index": "BTC-USDT",
    "last": "52735.4123234925",
    "ts": "1630985335599"
  }
}
```

**SDK Code**

```python market_getIndexComponents_example
import requests

url = "https://www.okx.com/api/v5/market/index-components"

querystring = {"index":"BTC-USDT"}

response = requests.get(url, params=querystring)

print(response.json())
```

```javascript market_getIndexComponents_example
const url = 'https://www.okx.com/api/v5/market/index-components?index=BTC-USDT';
const options = {method: 'GET'};

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

```go market_getIndexComponents_example
package main

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

func main() {

	url := "https://www.okx.com/api/v5/market/index-components?index=BTC-USDT"

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

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

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

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

}
```

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

url = URI("https://www.okx.com/api/v5/market/index-components?index=BTC-USDT")

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

request = Net::HTTP::Get.new(url)

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

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

HttpResponse<String> response = Unirest.get("https://www.okx.com/api/v5/market/index-components?index=BTC-USDT")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://www.okx.com/api/v5/market/index-components?index=BTC-USDT');

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

```csharp market_getIndexComponents_example
using RestSharp;

var client = new RestClient("https://www.okx.com/api/v5/market/index-components?index=BTC-USDT");
var request = new RestRequest(Method.GET);
IRestResponse response = client.Execute(request);
```

```swift market_getIndexComponents_example
import Foundation

let request = NSMutableURLRequest(url: NSURL(string: "https://www.okx.com/api/v5/market/index-components?index=BTC-USDT")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"

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()
```