paypal customize checkout page which use paypal payment only

Question

I want to include paypal checkout without leaving website i develop for a client. i'm using the developer account. what paypal option or api do i need to use here? (there are so many api's which confuses me)

and also i need to customize the checkout page style and look, so that users can only pay through paypal accounts (not enter credit card details).

i have reviewed the following questions but couldn't find a proper solution..

stack overflow question

Answer 1

Here is a similar question to yours:

From Stack PayPal Redirection

You cannot use PayPal Standard and stay on your website. You either need to get setup with PayPal Payments Advanced or PayPal Payments Pro.

Using PayPal Payments Advanced you can use an iFrame that uses the PayPal Hosted Page while giving the appearance of staying on your website.

Here is the getting started guide:
PayPal Payments Advanced Getting Started Guide