1. How do you upload (POST) contact or list data (not using a file) from MSSQL Server database to WEB API & REST API, via curl and C#
2. How do you upload (POST) a file from MSSQL Server database to WEB API & REST API, via curl and C#
Another way to explain is:
How do I make calls to a WEB API & REST API using C# Console Application
Call a Web API and & REST API from a .NET Client (C# Console Application)