How does it handle failed payments?

It features a comprehensive dunning management system that schedules automated retries, manages subscription state transitions, and triggers customer notification workflows.

Is this skill specific to a particular payment gateway?

While the logic is designed to be provider-agnostic, the implementation patterns are optimized for easy integration with major gateways like Stripe, Braintree, and Paddle.

Can this skill handle complex plan changes mid-month?

Yes, the skill includes specialized logic for proration, allowing you to accurately calculate credits or charges when users upgrade, downgrade, or change seat counts mid-billing cycle.

Does it support international taxes like VAT or GST?

Yes, it provides implementation patterns for jurisdiction-based tax calculation across various regions including the US, UK, EU, and Australia.

Billing Automation

Name: Billing Automation
Author: EngineerWithAI

byEngineerWithAI

0•

E-commerce Solutions

Implements sophisticated automated billing systems for SaaS, managing recurring payments, subscription lifecycles, and dunning workflows.

This skill provides developers with the essential logic and implementation patterns required to build production-grade billing systems. It covers the entire subscription lifecycle, from initial trials and plan activation to complex scenarios like mid-cycle proration, automated invoice generation, and dunning management for failed payments. By providing standardized workflows for state transitions and jurisdiction-based tax calculations, it helps developers avoid common pitfalls in financial software architecture and ensures a robust experience for end-users.

Key Features

01Automated dunning workflows with retry schedules and notifications

02Comprehensive subscription lifecycle management (Trial, Active, Past Due, Canceled)

03Multi-jurisdiction tax calculation for Sales Tax, VAT, and GST

04Dynamic invoice generation with usage-based billing support

05Precise proration logic for mid-cycle plan upgrades and seat changes

060 GitHub stars

Use Cases

01Building the backend logic for a SaaS subscription platform

02Automating complex usage-based invoicing for cloud services

03Implementing automated recovery systems for failed credit card transactions

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add engineerwithai/engineerwith-agents billing-automation

For use in Claude.ai and ChatGPT

Download Skill