Useful Links related to web API

https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/overview

https://docs.microsoft.com/en-us/dynamics365/customer-engagement/developer/walkthrough-register-dynamics-365-app-azure-active-directory

https://community.dynamics.com/crm/b/mscrmcustomization/archive/2016/10/18/ms-crm-2016-web-api-operations-retrieve-single-or-multiple-records

https://docs.microsoft.com/en-us/dynamics365/customer-engagement/developer/clientapi/reference/xrm-webapi/retrieverecord