Ethereum: Binance API – Get Klines for XXX/GBP only

Ethereum Klines API: retrieving current Bitcoin/ETH prices

The Binance Klines API is a powerful tool for analyzing market data, and in this article, we’ll explore how to use it to retrieve current prices of Bitcoin (BTC) and Ethereum (ETH).

Prerequisites

Before you begin, make sure you have the following:

A Binance API account

The Binance Klines API endpoint (

Code




// Set your API credentials and Binance Klines API endpoint

$url = '

$apiKey = YOUR_API_KEY_HERE;  // Replace with your actual API key

$apiSecret = YOUR_API_SECRET_HERE;  // Replace with your actual API secret


// Set the asset you want to retrieve prices for (in this case, BTC/ETH)

$asset = 'BTC/ETH';


// Define the time range for which you want to retrieve prices (e.g., 1 day ago to today)

$startDate = '2023-02-20';  // Replace with your desired start date

$endDate = '2023-03-01';  // Replace with your desired end date


// Set the frequency of the data retrieval (in this case, 1 minute intervals)

$frequency = '1m';


// Define any additional parameters you may need (e.g., limit to retrieve only one price per asset)

$params = array(

    'symbol' => $asset,

    'interval' => $frequency,

    'startTime' => $startDate,

    'endTime' => $endDate

);


// Authenticate with the API using your credentials

$headers = array('Authorization: Binance-Key', 'Accept: application/json');

$ch = curl_init($url . '?' . http_build_query($params) . '&' . http_build_query(array('limit' => 100)));

curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

curl_setopt($ch, CURLOPT_RETURNNTRANSFER, true);


// Execute the API call and retrieve the response

$response = curl_exec($ch);

$statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);

if ($statusCode == 200) {

    // Parse the JSON response to extract the data you need

    $data = json_decode($response, true);

    

    // Extract the price information for your asset of interest (BTC/ETH)

    $priceData = array_filter($data[$asset]);

    if (!empty($priceData)) {

        echo "Current prices for $asset: ";

        foreach ($priceData as $value) {

            echo "$value[1] ($value[2])\n";

        }

    } else {

        echo "No data found for $asset\n";

    }

} else {

    echo "Error retrieving data ($statusCode)\n";

}

?>

Explanation

This code snippet demonstrates how to use the Binance Klines API to retrieve current prices of Bitcoin (BTC) and Ethereum (ETH). Here’s a step-by-step breakdown:

Set your API credentials (apiKeyandapiSecret) as environment variables or in a file.

Define the asset you want to retrieve prices for, in this case, BTC/ETH.

Specify the start date and end date for which you want to retrieve prices (e.g., 1 day ago to today).

Set the frequency of the data retrieval to 1 minute intervals.

Define any additional parameters you may need, such as limiting the number of price observations per asset.

Note










: This code snippet assumes that the Binance API supports retrieving multiple assets and time ranges simultaneously. If this is not the case, you'll need to modify the