Functional requirements of Subscription Management System with non-functional

Functional Requirements

1. User Authentication and Authorization
   • Allow users to create accounts, log in, and manage their profiles.
   • Implement role-based access control with permissions for users, administrators, and support staff.
2. Subscription Plans Management
   • Enable administrators to create, update, and manage subscription plans, including details such as plan names, features, pricing, and billing cycles.
   • Provide functionality for users to view available subscription plans and select the one that suits their needs.
3. Subscription Enrollment and Renewal
   • Facilitate user enrollment in subscription plans, including initial sign-up and renewals.
   • Support automatic renewal of subscriptions based on user preferences or plan settings.
4. Payment Processing
   • Handle payment transactions securely, supporting various payment methods (e.g., credit/debit cards, online payment gateways).
   • Manage payment confirmations, invoices, and receipts.
5. Billing and Invoicing
   • Generate and manage invoices for subscription charges, including detailed billing information.
   • Provide users with access to their billing history and download invoices.
6. Subscription Management
   • Allow users to view and manage their active subscriptions, including upgrading, downgrading, or canceling plans.
   • Provide functionality for users to pause or resume their subscriptions.
7. User Notifications and Alerts
   • Send notifications and reminders for upcoming renewals, payment confirmations, and subscription changes.
   • Notify users about important updates related to their subscriptions.
8. Reporting and Analytics
   • Generate reports on subscription metrics, such as active subscriptions, revenue, and user engagement.
   • Provide analytics to support decision-making and business planning.
9. Account Management
   • Allow users to manage their account settings, including personal information, payment methods, and notification preferences.
   • Provide options for users to update their contact details and manage security settings.
10. Customer Support and Helpdesk
    • Provide support resources and help guides for users to resolve subscription-related issues.
    • Offer customer support through various channels (e.g., chat, email, phone) for assistance with subscription management.
11. Integration with External Systems
    • Integrate with payment gateways for processing transactions and managing payments.
    • Support integration with CRM systems, accounting software, and other relevant tools.
12. Compliance and Legal
    • Ensure compliance with relevant laws and regulations related to subscription management and billing.
    • Provide legal documentation, terms of service, and privacy policies as required.

Non-Functional Requirements

1. Performance
   • Ensure quick response times for viewing plans, processing payments, and managing subscriptions.
   • Handle high volumes of concurrent users and transactions efficiently.
2. Scalability
   • Support the addition of new subscription plans, users, and billing data as the system grows.
   • Scale to accommodate increasing traffic and data load.
3. Reliability
   • Ensure high system availability with minimal downtime.
   • Implement backup and recovery procedures to protect subscription data and ensure business continuity.
4. Security
   • Protect sensitive user and payment data with encryption and secure access controls.
   • Ensure compliance with data protection regulations (e.g., GDPR, PCI-DSS).
5. Usability
   • Provide an intuitive and user-friendly interface for users to manage their subscriptions and billing.
   • Ensure ease of navigation and accessibility features for all users.
6. Maintainability
   • Design the system for easy updates, maintenance, and troubleshooting.
   • Provide clear documentation for system administrators and developers.
7. Compatibility
   • Ensure compatibility with various devices (e.g., desktops, tablets, smartphones) and operating systems.
   • Integrate seamlessly with other systems and software as needed.
8. Data Integrity
   • Ensure accuracy and consistency of subscription data, billing information, and payment transactions.
   • Implement validation checks and error-handling mechanisms to maintain data quality.
9. Support and Documentation
   • Provide user manuals, help guides, and support resources for troubleshooting and training.
   • Offer technical support for system issues and maintenance.
10. Auditability
    • Maintain logs of user actions, payment transactions, and subscription changes for auditing purposes.
    • Provide audit trails for billing activities, subscription management, and system modifications.