PayPal and the Road to Adaptive Payments

PayPal and the Road to Adaptive Payments Introduction It has been nearly 6 years now since I first started working with PayPal’s web services.  PayPal is actually one of the first web services I ever used and I’ve been able to “grow” right along-side the PayPal...

How to Daisy Chain PayPal IPN Messages

Introduction to IPN PayPal’s Instant Payment Notification (IPN) system is an extremely valuable tool that will automatically send transaction data to a “listener” application on a web server. This application can process the data in any way necessary, such as updating...

PHP Class Library for PayPal

Introduction PayPal provides SDK’s for all of their API’s in various programming languages.  These SDK’s work just fine, however, they are fairly basic and I consider them good samples or starting-points, but not a complete, easy-to-use solution.  As...

eBay Integration Solutions

Custom Auction Posting Solutions Getting your products onto eBay can be an overwhelming task. Putting together and eye-appealing auction that maintains the same look and feel when actually posted on eBay can be troublesome in itself. All too often sellers find...

PayPal Integration

PayPal Payments Pro Integration Angell EYE is one of only 13 Ace Certified Developers for PayPal and has been specializing in Payments Pro integration for more than 6 years. PayPal Express Checkout PayPal Website Payments Pro (DirectPayment) Real-Time Shipping...

PayPal Instant Payment Notification – Part 2

Testing, Troubleshooting and Deployment PayPal Instant Payment Notification solutions can be very simple or very complex.  An IPN listener could do nothing but send an email notification or it could handle multiple, automated tasks at one time like updating databases...

PayPal Instant Payment Notification – Part 1

In this 2-art series Andrew discusses the details of what exactly PayPal IPN (instant payment notification) is and how you can use it to automate tasks when you receive payments via PayPal. This article was published by O’Reilly Media as part of the DevZone...

FileMaker Integration

We do what other FileMaker developers say can’t be done. Angell EYE has been developing heavily with FileMaker over the past 7 years specializing in custom integration for services such as eBay, PayPal, UPS, FedEx, USPS, FreightQuote.com, Google Maps, and much...