Integration Guide

Table Of Contents
PayPal Payments Standard Integration Guide June 2012 15
Preface
About This Guide
The PayPal Payments Standard Integration Guide (previously called Website Payments
Standard) describes how to integrate your website with PayPal by using HTML buttons and
forms. PayPal Payments Standard lets you accept payments for:
Single-item purchases with Buy Now buttons – Sell from websites that offer single or
mutually exclusive products.
Contribution payments with Donate buttons – Raise financial support for any cause.
Recurring payments with Subscribe, Automatic Billing, and Installment Plan buttons
– Collect membership dues and offer other subscription services, get authorization to bill
customers automatically, and set up installment plans.
Multiple-item purchases with Add to Cart and View Cart buttons – Sell from online
stores with catalogs and shopping carts.
The following table summarizes the contents of this guide.
Summary of the Contents of This Guide
Feature Description See
Buy Now Buttons Accept payments for single items at one time. “Single-Item Payments – Buy
Now Buttons” on page 21
Donate Buttons Accept payments for donation and contributions. “Contribution Payments –
Donate Buttons” on page 75
Subscribe Buttons Let customers sign up for subscriptions to goods or
services, like books or online content.
“Recurring Payments –
Subscribe Buttons” on page 113
Automatic Billing
Buttons
Let customers sign up for automatic payment plans
that let you bill them each month, up to a limit.
“The Checkout Experience with
Automatic Billing Buttons” on
page 189
Installment Plan
Buttons
Let customers sign up for installment plans that
collect payments from customers over time.
“The Checkout Experience with
Installment Plan Buttons” on
page 220
The PayPal Shopping
Cart
Accept payments for multiple items at one time. “The PayPal Shopping Cart –
Add to Cart and View Cart
Buttons” on page 247
Third-Party Shopping
Carts
Develop a third-party shopping cart that is
compatible with PayPal and PayPal Payments
Standard.
“The PayPal Shopping Cart –
Add to Cart and View Cart
Buttons” on page 247