CSV export

curl -X POST -H "Authorization: Basic YOUR_REST_API_KEY" -H "Content-Type: application/json" -d '{
    "extra_fields": ["country","notification_types","external_user_id", "location", "rooted", "ip", "country", "web_auth", "web_p256"],
    "last_active_since": "1469392779",
    "segment_name": "Subscribed Users"
}' "https://onesignal.com/api/v1/players/csv_export?app_id=YOUR_APP_ID"

<?php
  function oneSignalApi() {
    $curl = curl_init();

    curl_setopt_array($curl, array(
      CURLOPT_URL => "https://onesignal.com/api/v1/players/csv_export?app_id=YOUR_APP_ID",
      CURLOPT_RETURNTRANSFER => true,
      CURLOPT_ENCODING => "",
      CURLOPT_MAXREDIRS => 10,
      CURLOPT_TIMEOUT => 0,
      CURLOPT_FOLLOWLOCATION => true,
      CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
      CURLOPT_CUSTOMREQUEST => "POST",
      CURLOPT_HTTPHEADER => array(
        "Authorization: Basic YOUR_REST_API_KEY",
        "Content-Type: application/json"
      ),
    ));

    $response = curl_exec($curl);
    curl_close($curl);
    echo $response;
  }
oneSignalApi() ;
?>

{ "csv_file_url": "https://onesignal.com/csv_exports/b2f7f966-d8cc-11e4-bed1-df8f05be55ba/users_184948440ec0e334728e87228011ff41_2015-11-10.csv.gz" }

{}