Api яндекс метрики

$headers = array("Content-Type: multipart/form-data; boundary=------------------------7zDUQOAIAE9hEWoV",
"Context-Length: 253
--------------------------7zDUQOAIAE9hEWoV",
"Content-Disposition: form-data; name='file'; filename='data.csv'",
"Content-Type: text/csv",
"ClientId,Target,DateTime,Price,Currency
133591247640966458,GOAL1,1481718166,123.45,RUB
133591247640966458,GOAL2,1481718142,678.90,RUB
133591247640966458,GOAL3,1481718066,123.45,RUB
579124169844706072,GOAL3,1481718116,678.90,RUB
148059425477661429,GOAL2,1481718126,123.45,RUB
148059425477661429,GOAL3,1481714026,678.90,RUB
--------------------------7zDUQOAIAE9hEWoV--",);
 
$ch = curl_init('https://api-metrika.yandex.ru/management/v1/counter/номер счетчика/offline_conversions/upload?client_id_type=CLIENT_ID&oauth_token=token');
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, "null");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
 
curl_close($ch);
echo $response;

$counterId = '';
$filePath = 'data.csv';
$authToken = '';
 
$url = 'https://api-metrika.yandex.ru/management/v1/counter/' . $counterId . '/offline_conversions/upload?client_id_type=CLIENT_ID';
 
if (function_exists('curl_file_create')) { // php 5.5+
    $cFile = curl_file_create($filePath, 'text/csv', 'data.csv');
} else { //
    $cFile = '@'.realpath($filePath);
}
 
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, ['file' => $cFile]);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'Content-Type: multipart/form-data',
    'Authorization: OAuth ' . $authToken
]);
$result = curl_exec($ch);
 
echo $result;