MkSaaS Payment Module

The payment module is the core of SaaS application monetization, directly impacting product profitability and user experience. The MkSaaS template builds a complete, secure, reliable, and easily extensible payment module based on Stripe, providing an out-of-the-box payment solution for your SaaS application.

This article provides a detailed introduction to the core features of the MkSaaS payment module, helping you fully understand this powerful payment ecosystem.

The MkSaaS payment module is more than just a simple payment integration—it's a complete, secure, reliable, and highly extensible payment solution:

💳 Out of the Box - Built-in complete payment functionality, no need to develop from scratch
🔒 Secure & Reliable - Built on Stripe with industry-standard security practices
🎯 Feature Complete - Covers the entire flow from subscription payments, one-time payments, to billing management
🔌 Easy to Extend - Modular design, can easily add new payment providers
🎨 Beautiful UI - Provides professional payment interface components with excellent user experience
💰 Flexible Pricing - Supports multiple pricing plans and flexible credit system

Core Features Explained

1. Price Configuration

MkSaaS provides a flexible and powerful price configuration system, allowing you to easily manage different pricing plans and feature limitations.

Key Features:

Multi-Plan Support - Supports multiple pricing models including free plan, Pro subscription (monthly/yearly), and lifetime plan
Flexible Configuration - Can configure price, name, description, billing cycle, feature list, and limitations
Feature Limitations - Set different feature limitations and usage quotas for each plan
Credit Configuration - Configure different credit amounts and expiration times for each plan

Configuration Example:

You can easily set up pricing plans in the website.tsx configuration file, including prices, billing cycles, feature lists, etc. All configurations are centralized in one location for easy management and maintenance.

You can learn how to configure the pricing table in the Price Configuration Documentation, including detailed settings for prices, names, descriptions, billing cycles, features, and limitations.

2. Subscription and One-Time Payments

MkSaaS supports both subscription payments and one-time payments, meeting the needs of different business scenarios.

Subscription Payments:

Monthly/Annual Subscriptions - Supports flexible subscription cycles, users can choose monthly or annual subscriptions
Auto-Renewal - Subscriptions automatically renew without manual user intervention
Subscription Upgrade/Downgrade - Supports users upgrading or downgrading plans during subscription period
Subscription Cancellation - Users can cancel subscriptions at any time, system properly handles remaining time

One-Time Payments:

Lifetime Membership - Supports one-time payment for lifetime access
Product Purchase - Supports one-time purchase of specific products or feature packages
Promo Codes - Supports using promo codes for discounts
Invoice Generation - Automatically generates invoices for one-time payments

Secure Payments:

All payment processes are handled through Stripe's secure checkout page, ensuring payment information security and compliance. Users can experience the complete subscription and one-time payment flow at the demo site.

3. Webhooks Integration

Webhooks are key components of the payment module, used to handle asynchronous payment events and subscription status updates. MkSaaS provides a complete Webhooks integration solution.

Core Features:

Event Listening - Automatically listens to and processes Stripe payment events
Status Synchronization - Real-time synchronization of payment status and subscription status to database
Automatic Processing - Automatically handles events like payment success, subscription creation, updates, cancellations, etc.
Error Handling - Comprehensive error handling and retry mechanisms, ensuring event processing reliability
Development Support - Supports using Stripe CLI to test Webhooks in local development environment

Supported Events:

checkout.session.completed - Checkout session completed
customer.subscription.created - Subscription created
customer.subscription.updated - Subscription updated
customer.subscription.deleted - Subscription cancelled
invoice.paid - Invoice paid successfully

The template has integrated Stripe Webhooks to manage payment status. Whether it's subscription payments or one-time payments, they all get timely and accurate processing.

4. Billing Management

MkSaaS integrates Stripe Customer Portal, providing users with complete self-service billing management functionality.

Management Features:

Payment Method Management - Users can add, update, or delete payment methods
Subscription Management - Users can view current subscriptions, upgrade/downgrade plans, cancel subscriptions
Billing History - Users can view complete payment history and invoice records
Invoice Download - Users can download and view historical invoices
Auto-Renewal Settings - Users can manage auto-renewal settings

User Experience:

All billing management features are provided through Stripe Customer Portal, a professional interface optimized and tested by Stripe, ensuring consistent and secure user experience. Users can manage payment methods, view billing history, and perform all billing-related operations through the Stripe Customer Portal.

5. Credit System

MkSaaS has a built-in flexible credit system, supporting pay-per-use and feature limitations for various usage scenarios.

Core Features:

Plan Credits - Configure different credit amounts for each pricing plan
Credit Package Purchase - Users can purchase additional credit packages to meet usage needs beyond plan limitations
Credit Expiration - Supports setting credit expiration times to encourage continuous usage
Usage Tracking - Real-time tracking of credit usage, providing detailed usage statistics
Transaction History - Records all credit transactions, including earning, consumption, expiration, and other operations

Application Scenarios:

The credit system is particularly suitable for pay-per-use scenarios, such as:

AI feature calls (image generation, text generation, etc.)
API call counts
Storage space usage
Usage counts for specific features

MkSaaS has integrated a flexible credit system. You can set credits for each plan, and users can also purchase credit packages. This provides flexible pricing and billing models for your SaaS application.

Technical Architecture Advantages

The MkSaaS payment module adopts a modular design with the following technical advantages:

1. Modular Architecture

The payment module uses a clear modular design:

Payment Provider Abstraction - Supports different payment providers through unified interfaces
Componentized UI - Provides reusable payment UI components
Server Actions - Uses Next.js Server Actions to ensure payment operation security
Type Safety - Complete TypeScript support, providing type hints and error checking

2. Security Guarantees

Server-Side Processing - All sensitive operations are completed on the server side
Webhook Verification - Strictly verifies Webhook signatures to prevent forged events
Environment Variable Management - Uses environment variables to manage API keys, ensuring security
PCI Compliance - Processes payment information through Stripe, no need to handle sensitive data

3. Easy to Extend

Provider Abstraction - Can easily add new payment providers
Custom Components - UI components can be easily customized and extended
Event Handling - Can easily add new event handling logic
Flexible Configuration - Easily manage pricing plans through configuration files

Real-World Application Scenarios

The MkSaaS payment module is suitable for various SaaS application scenarios:

Subscription-Based SaaS - Provides monthly/annual subscription services, such as project management tools, design software, etc.
Pay-Per-Use SaaS - Implements usage-based billing through credit system, such as AI services, API services, etc.
Hybrid Mode SaaS - Combines subscriptions and pay-per-use, such as cloud storage services, development tools, etc.
Lifetime Membership SaaS - Provides one-time purchase for lifetime access services, such as course platforms, tool software, etc.

Integration with Other Modules

The MkSaaS payment module seamlessly integrates with other modules:

Authentication - Integrates with user system, automatically associates payments with user accounts
AI Features - Integrates with AI module, supports using AI features with credits
Email System - Automatically sends payment confirmations, invoices, and other email notifications
Data Analytics - Provides payment data statistics, supports affiliate marketing tool integration

Summary

The MkSaaS payment module is a complete, secure, reliable, and easily extensible payment solution. It not only provides basic payment functionality, but also includes price configuration, subscription management, Webhooks integration, billing management, and a complete credit system.

Whether you're building a simple subscription-based SaaS or an enterprise-level application requiring complex billing models, the MkSaaS payment module can provide powerful support. By using these features, you can:

Quick Launch - No need to start from scratch, directly use payment functionality to quickly build commercial applications
Reduce Risk - Built on Stripe with industry-standard security practices
Enhance Experience - Professional UI and smooth payment flow, improving user experience
Flexible Extension - Modular design, easy to extend and maintain

Get Started:

Check out the online demo to experience the complete payment functionality
Read the Payment Documentation to learn detailed configuration and usage methods
Visit the MkSaaS Template to learn more about features

MkSaaS Payment Module