The direct method is to visit the official website of the company and send a message .. Repeat this step more than once and clarify the objectives of your search.

Thank you Wasan Abdallah Mam for valuable response I tried to contact through mail their official mail address is not working is there any other possible ways to contact them??@Wasan Abdallah

Could you please try this: https://www.google.com/amp/s/www.r-bloggers.com/using-the-microsoft-cognitive-services-web-language-model-rest-api-from-r/amp/

https://azure.microsoft.com/en-gb/services/cognitive-services/qna-maker/