- gives you a test account to play with
- You don't need to ever enter financial info for your test account
- The give you great tutorials to integrate the basics
- And great documentation for the rest
- also provides a Campfire room to ask questions, and are answer promptly by Employees
- There API documentation comes with code snippets in Curl, Ruby, Python, PHP, and Java.
- They wrote API libraries for all of those languages (Curl is not a language, I know), and libraries for Scala and .NET
- The test account has all of the features of the live account
- This includes their webhooks, their UI, and API
- You can create test data, and interactions work just as in "live" mode