Video Tutorial Links : 

Basic terms of RESTful web API :
https://bit.ly/2k7TZpa

Registration or signup procedure using Web API : 
https://bit.ly/2kyk7tw

Basic Authentication using Web API with example : 
https://bit.ly/2lGOZIE

Call an API from multiple projects : 
https://bit.ly/2kkzyFH

Pagination in Web API for beginners with example : 
https://bit.ly/2k7U788

Use of HttpPatch in Web API (ASP.Net Core) :
https://bit.ly/2kwuMop

CRUD operation using Web API (Http Call) in ASP.Net Core with Example :
https://bit.ly/2lFmYAU

Get data from SQL Server using ASP.Net Web API and Entity Framework :
https://bit.ly/2kxLaVF

How to Call ASP.Net Core web API from AngularJS (http call) : 
https://bit.ly/2khRMHT