Maxio Advanced Billing API
REST API for managing the full subscription lifecycle in Maxio Advanced Billing (formerly Chargify): customers, products, components, subscriptions, invoices, transactions, coupons, and webhooks. Authentication uses HTTP Basic with an API key as the username and 'x' as the password, scoped to a Maxio site subdomain.
Documentation
Documentation
https://developers.maxio.com/
Authentication
https://developers.maxio.com/http/getting-started/authentication