PayPal API, finding the right one

Question

I need to add the option to pay with PayPal in my web site. I would like to have a API where i can send PayPal the information and get back right away the transaction ID so i can save it in my DB. What API will be best for me? Is there a way to do this? I saw they have this list:

list

Also do you know were i can find good examples for this? my app is ASP.NET c# I know this a very beginner question, what i really need help with this.

Thank you

EDIT I started working with something but then found a problem I posted a new question here question

Answer 1

If all you need is simple Credit Card and PayPal Wallet payments - just use our new Restful Payment APIs - https://developer.paypal.com/webapps/developer/docs/api/

They are much more cleaner and simple APIs to begin with if that's all the payment functionality you need.