billing-automation

Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management. Use when implementing subscription billing, automating invoicing, or managing recurring payment systems.

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Billing Automation - Automated Billing System Skill

Skill Overview


Billing Automation is a skill specifically designed for building automated billing systems, helping you implement end-to-end automation for SaaS subscription billing, recurring invoice generation, automatic invoice delivery, and bad-debt management after payment failures.

Applicable Scenarios

1. SaaS Subscription Billing


When you need to implement subscription-based billing for a SaaS product, this skill enables you to quickly set up a complete billing system that supports monthly, annual, trial-to-paid, and other models.

2. Automated Invoice Management


When you need to automatically generate invoices, send them to customers on schedule, and track invoice status, this skill provides a complete invoice workflow solution.

3. Payment Failure Recovery


When customer payments fail, this skill helps you implement automatic retry mechanisms, send payment reminders, and apply eventual subscription suspension/cancellation policies to minimize revenue loss.

Core Features

1. Subscription Lifecycle Management


Define pricing plans, billing cycles (monthly/annual/custom), trial period settings, and handle subscription upgrades, downgrades, cancellations, renewals, and other state changes. Supports prorating charges for changes during a billing period.

2. Invoicing and Payment Flow


Automatically generate properly formatted invoices, support sending electronic invoices, integrate payment gateways to process charges, and execute retry strategies when payments fail.

3. Taxes and Compliance


Automatically calculate sales tax, VAT, GST, and other taxes based on the customer's location, support multi-region tax rate configuration, and ensure billing processes comply with local regulatory requirements.

Frequently Asked Questions

What is an automated billing system?


An automated billing system is software that can automatically execute tasks such as recurring billing, invoice generation, payment processing, and renewal reminders. It replaces manual invoicing and manual charge attempts, greatly reducing the workload of finance teams, minimizing human error, and ensuring consistency in billing processes.

How are payment failures handled automatically?


After a payment failure, the system initiates a dunning (delinquency) management process: it first automatically retries the charge (typically 3 retries at intervals of 1–3 days), while sending email reminders to customers to update their payment information. If multiple retries still fail, the service may be suspended or the subscription canceled. The entire process can be configured for retry counts and interval timing according to business needs.

How are fees calculated when a subscription is upgraded or downgraded?


When a user changes their subscription plan, the system prorates the fee difference. For example, upgrading from a monthly plan of 100 yuan to 200 yuan on day 15 of the billing cycle requires making up the price difference for the remaining 15 days (50 yuan). The same applies for downgrades: the system will calculate any refundable amount or credit it against the next invoice.