# Maxio Advanced Billing API

**Canonical:** https://apis.io/apis/maxio/advanced-billing-api/  
**Provider:** Maxio — https://apis.io/providers/maxio/  
**Base URL:** https://{subdomain}.chargify.com  
**Documentation:** https://developers.maxio.com/

Maxio Advanced Billing API is published by [Maxio](https://apis.io/providers/maxio/) on the [APIs.io](https://apis.io/) network. Tagged areas include Billing, Subscription, Invoices, Customers, and Product. The published artifact set on APIs.io includes API documentation, authentication docs, and an API reference.

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.

## Machine-readable artifacts (5)

- **Documentation** — https://developers.maxio.com/
- **Authentication** — https://developers.maxio.com/http/getting-started/authentication
- **APIReference** — https://developers.maxio.com/docs/api-docs/7b6ea12f39549-chargify-api
- **API Keys** — https://docs.maxio.com/hc/en-us/articles/24294819360525-Advanced-Billing-API-Keys
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/maxio/refs/heads/main/apis.yml

## Tags

Billing, Subscription, Invoices, Customers, Product

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/maxio/advanced-billing-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/maxio/.