Billsby Billsby is a subscription billing platform for SaaS and other recurring revenue businesses. It provides tools to manage subscriptions, payments, and customer data. It's used by businesses of all sizes that need to automate their subscription billing processes. Official docs: https://developers.billsby.com/ Billsby Overview - Customer - Subscription - Plan - Coupon - Addon - Tax Rule - Event - Invoice - Credit Note - Refund Working with Billsby This skill uses the Membrane CLI to interact with Billsby. Membrane handles authentication and credentials refresh automatically — so you can f…