Day 6 - pay Gem - Accept (One-Time) Payments or Subscriptions with Strong Customer Authentication (SCA) - Billing Engine on Top of Stripe, Braintree or Paddle @ Ruby Advent Calendar 2020 / 25 Days of Ruby Gems

Hello,

  let's thank Chris Oliver for the sixth write-up in the Ruby Advent
Calendar 2020 / 25 Days of Ruby Gems series
presenting a new Ruby library every day from December 1st to December 25th.

  For day 6 see the write-up titled Day 6 - pay Gem - Accept
(One-Time) Payments or Subscriptions
with Strong Customer Authentication (SCA) - Billing Engine on Top of
Stripe, Braintree or Paddle [1a][1b]

  Cheers. Prost.

[1a] https://planetruby.github.io/gems/2020/06-pay
[1b] https://rubygems.org/gems/pay