When you’re designing a payment form or other application, you may find that you need to submit certain fields for your merchant that aren’t specifically supported or called out in our integration gui...
Mobile payments are all the talk these days, but what security hurdles need to be overcome?
The payment form we created in the first five parts of this series is very good. But it could be better. Part 6 begins a new chapter in this series where we improve upon our payment to make it more us...
In the world of development, it’s easy to get confused by the differences between these two. It is not uncommon to see some companies provide you an SDK and call it an API. Read on for a brief definit...
In retail merchant software (like our Credit Card Terminal app), exposing the AIM void and credit actions directly to the user is a poor choice. I'll talk about why and propose an alternative "unified...
Relay Response is a useful tool for customizing your own receipt page and handling transaction information. Here we’ll talk about some basic troubleshooting tips.
If you’ve ever been confused about the differences between sandbox accounts and live accounts, or test mode and live mode, then check out this brief explanation of what each is and what each does.
Security is important for any website, doubly so for ecommerce websites as accepting payments makes any website a tempting target for hackers. In this blog post we show some simple HTTP headers your w...
Handling dollar amounts isn't as simple as adding two numbers together. PHP, and other programming languages, have limitations to how precise they can be. This blog post will show you how to do precis...
Ever wondered whether you should use CIM or ARB for recurring transactions? You're not alone. Check out the differences between the two here.
When you create a profile on CIM, or even ARB, you eventually need to have the customer update their credit card because it is about to expire. But how to you know when the card is about to expire wit...
There have been a lot of changes to .NET over the last few years and I'm pleased as punch to see the new Authorize.Net SDK take advantage of these changes.
The Authorize.Net API's are powerful and feature-rich, and the Java SDK which sits on top of them can get you up and running quickly and easily.
The first of a three part series on how to validate credit card information. Examples are provided using PHP.
Update: We have deprecated the Direct Post Method (DPM) integration method. We no longer update or support this method. Please see our Upgrade Guide for more information and recommended upgrade path.
Get payments up and running quickly with the new PHP SDK from Authorize.Net.
