Can it handle complex proration?

Yes, it includes logic for calculating credits and charges when users upgrade, downgrade, or change seat counts mid-billing cycle.

How does dunning management work?

It automates the retry schedule for failed payments and manages customer notification flows to reduce churn and recover revenue before canceling a subscription.

Does it support international tax laws?

The skill provides templates for calculating US Sales Tax, UK/EU VAT, and Australian GST based on customer jurisdiction and regional tax rates.

What payment processors does this skill support?

While the logic is engine-agnostic, the patterns are designed to integrate seamlessly with major providers like Stripe, Braintree, and Paddle through standard API implementations.

Billing Automation

Name: Billing Automation
Author: HermeticOrmus

byHermeticOrmus

0•

E-commerce Solutions

Automates recurring payment workflows, subscription lifecycle management, and invoice generation for SaaS and digital services.

This skill empowers developers to architect robust subscription billing systems, handling everything from trial periods and renewals to complex proration and tax calculations. It provides standardized patterns for dunning management (failed payment recovery), usage-based billing models, and localized tax handling (VAT, GST, Sales Tax), making it an essential tool for building production-grade SaaS platforms and automated e-commerce backends.

Key Features

01Smart dunning workflows for failed payment recovery and retries

02Flexible billing cycle support for monthly, annual, and usage-based models

03Dynamic proration logic for mid-cycle plan upgrades and downgrades

04Automated invoice generation with multi-jurisdiction tax calculations

05Automated subscription lifecycle management (Trial, Active, Past Due, Canceled)

060 GitHub stars

Use Cases

01Automating VAT and Sales Tax compliance for global digital sales

02Implementing usage-based billing for cloud services or API products

03Building a SaaS platform with tiered monthly and annual subscription plans

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/floreserlife billing-automation

For use in Claude.ai and ChatGPT

Download Skill