This issue has been resolved. Purchasing Storyline 3, Studio '13, and Articulate Online is working normally.
Posted Oct 31, 2019 - 18:28 UTC
We've identified an issue that may prevent you from purchasing Storyline 3, Studio '13, and Articulate Online. If you receive an error, please wait a moment and then try again. We'll let you know as soon as we have more information. We're sorry for any trouble!