How to Integrate PayPal Adaptive Accounts with PHP

Introduction PayPal now offers a vast array of payment processing options to both consumers and merchants.  Outside of Payments Pro, though, users must have a PayPal account before they can do much of anything with the platform. Like anything else, this process...

PayPal Permissions API

Introduction Of all the PayPal API’s I’ve worked with over the years, I have to say that the Permissions service has been the most time saving, and in turn, cost saving, service that I’ve used…and I’ve used them all. In this article, I’d like to explain that bold...

How to Integrate PayPal Invoicing API’s Using PHP

Introduction Invoicing is very important aspect of any business and any tool that eases this process is generally welcomed.  PayPal has a great invoicing tool that’s actually been around for a while now, but merchants were forced to use it from directly within their...

How to Integrate eBay API’s with PHP – Part 2

Overview In part of 1 of this 2-part series, we covered all of the basics of what exactly is involved with making calls to eBay’s API using PHP.  We reviewed each step in the process, but we haven’t actually seen any of this in action yet.  For part 2, we’ll be...

How to Integrate eBay APIs with PHP – Part 1

Overview eBay provides a very large set of web service API’s for developers to interact with.  It can be somewhat daunting to developers at any level and especially to developers without much experience dealing with web services. PHP is a little bit unique among...