void sendData() {

  if((WiFiMulti.run() == WL_CONNECTED)) {

    WiFiClient client;
    HTTPClient http;

    char apiString[100] = "";
    sprintf_P(apiString, server, windDirection, windSpeed, temperature, humidity, pressure);

    Serial.print("[HTTP] begin...\n");
    if (http.begin(client, apiString)) {
      Serial.print("[HTTP] GET...\n");
      int httpCode = http.GET();
      if (httpCode > 0) {
        Serial.printf("[HTTP] GET... code: %d\n", httpCode);
        if (httpCode == HTTP_CODE_OK || httpCode == HTTP_CODE_MOVED_PERMANENTLY) {
          String payload = http.getString();
          Serial.println(payload);
        }
      } else {
        Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
      }
      http.end();
    } else {
      Serial.printf("[HTTP} Unable to connect\n");
    }
  }
}