Hi viewers, Please check the code to call third-party API from D365 F&O through code x++. For authentication sample code: public str getKey() { System.Net.HttpWebRequest request; System.IO.Stream stream; System.Exception sysEx; str responseBody; container con; request = System.Net.WebRequest::Create(" URL") as System.Net.HttpWebRequest; request.Method = 'post'; request.ContentType = 'application/json'; str jsonstring = strFmt('%1%2%3%4%5%6%7','{','"login"',':','"info@****.com",','"password":','"******"','}'); var utf8 = System.Text.Encoding::get_UTF8(); var byteArrayPayload = utf8.GetBytes(jsonstring); using (System.IO.Stream dataStream = request.GetRequestStream()) { ...