Pippin Williamson had a big problem: thousands of business owners were using his software to take payments online, but the latest version was charging the wrong customers for subscriptions. Hear how a coding mistake with data from Paypal and Stripe platforms put businesses at risk, and how they repaired the damage.

Pippin Williamson is the founder of several widely-used WordPress plugins, including Easy Digital Downloads, and an avid teacher in the WordPress community. Learn more about his work and products at pippinsplugins.com.

Chris Koslowski is the Co-Lead Developer of Easy Digital Downloads. Learn more about Chris at chrisk.io.

@DouglasDetrick @hardrefreshshow @pippinsplugins thanks for having us on. Loved the episode and can't wait for the next!

— Chris Klosowski (@cklosowski) September 17, 2016

Find Easy Digital Downloads and the Recurring Payments Extension here.

The episode of the Apply Filters Podcast where Pippin and Brad Touesnard first discussed this issue can be found here.

The Hard Refresh theme is by The Brow, the latest in a long line of beat projects from genre-bending producer Marcus Williams. His ability to blend the visceral headnod qualities of golden era hip hop with dream pop and indie rock has captured fans across the world. He has been a steady fixture in the Portland scene through the years and continues to remain versatile – these tracks can be uptempo and playf