IBillIt for AIM & ARB for Authorize.Net

IBillIt is a well-regarded library that has been certified by Authorize.net for their Automated Recurring Billing (ARB) service. It was the first service of its kind and remains the best. Developed using C# under the .NET framework, IBillIt is compatible with a broad range of languages, including Java, PHP, Visual Basic, C#, C, C++, VBScript, JavaScript, Visual Basic.NET, VBA, VB6, and more.

One of the primary advantages of IBillIt is its flexibility--users can use practically any Windows development environment they wish. IBillIt is accompanied by complete documentation, sample code, and full reference documentation. You can see IBillIt in action by checking out our sample code.

In addition to its core functionality, IBillIt is also loaded with bonus features. These include the ability to track line order items, the ability to calculate various amounts such as taxes and shipping, the ability to include custom data, and the ability to set default properties to prevent duplicate coding. It also includes MD5 Hash Validation support, which provides another layer of security.

Overall, IBillIt is an exceptional software solution that makes billing and payment management much easier. Its robust feature set, excellent compatibility, and thorough documentation make it a top choice for businesses of all sizes.