# User Story: Payment processing with Stripe integration

**Story ID**: US-002
**Epic**: E-Commerce & Payments
**Created**: 2025-10-11
**Author**: Alex-BA (Business Analyst)
**Status**: draft
**Priority**: P1
**Estimated Points**: 5

---

## User Story

**As a** user
**I want** Payment processing with Stripe integration
**So that** I can accomplish my tasks more efficiently

---

## Acceptance Criteria

### Scenario 1: Happy Path - Feature Works as Expected

```gherkin
Given the system is operational
Given the user is authenticated
When the user uses the payment processing with stripe integration
Then the action completes successfully
Then appropriate feedback is shown to the user
```

### Scenario 2: Error Handling - Invalid Input

```gherkin
Given the system is operational
When the user provides invalid input
Then the system shows a clear error message
Then the system prevents invalid state changes
```

---

## Functional Requirements

### Must Have (P0)
- [ ] Payment processing with Stripe integration
- [ ] API endpoints must be RESTful and follow best practices

---

## Non-Functional Requirements

### Performance
- **Response Time**: < 200ms for API calls
- **Throughput**: Support 100 concurrent users
- **Load Time**: < 2 seconds for page load

### Usability
- **Accessibility**: WCAG 2.1 AA compliance
- **Mobile Support**: Responsive design for mobile devices
- **Browser Support**: Chrome, Firefox, Safari, Edge (latest versions)

---

## Technical Notes

### API Requirements
- RESTful API design
- JSON request/response format
- Proper HTTP status codes

### Third-Party Integrations
- Identify third-party services required
- Define integration contracts
- Implement error handling for external services

---

## Definition of Done (DoD)

- [ ] Code implemented and peer-reviewed
- [ ] All acceptance criteria met
- [ ] Unit tests written and passing (>80% coverage)
- [ ] Integration tests passing
- [ ] Security scan completed (no critical issues)
- [ ] Performance benchmarks met
- [ ] Accessibility audit passed (WCAG 2.1 AA)
- [ ] Documentation updated
- [ ] Deployed to staging environment

---

**Story Generated by**: Alex-BA (VERSATIL SDLC Framework)
**Framework Version**: 1.0.0
**Auto-Generated**: 2025-10-11T23:32:43.323Z
