payment module

Payment Management System

**Epic Description:**
As a SaaS company, we aim to provide our customers with a seamless and secure payment experience. This epic focuses on enhancing our payment management system to ensure efficient, secure, and flexible transactions. The key areas of improvement include:

1. **Payment Gateway Integration:** Integrate multiple payment gateways to provide customers with a variety of payment options (credit/debit cards, digital wallets, bank transfers, etc.).

2. **Subscription Management:** Implement features for managing subscriptions, including upgrades, downgrades, renewals, and cancellations.

3. **Invoicing:** Develop an automated invoicing system that sends timely and accurate invoices to customers.

4. **Security:** Enhance security measures to protect customer payment information and comply with financial regulations and standards (like PCI DSS).

5. **Reporting:** Create comprehensive financial reports for better tracking and analysis of revenue, refunds, failed transactions, etc.

**Acceptance Criteria:**
- Successful integration of multiple payment gateways.
- Smooth management of various subscription plans.
- Accurate and timely generation of invoices.
- Compliance with financial security standards and regulations.
- Generation of detailed financial reports.