Payment Service
The payment-services exposes API to validate payment info (credit card number, cvv, expiry month/year)
API Endpoints
1. Validate Payment Info
- Endpoint : 
POST /api/payments/validate - Security: N/A
 - Request Body:
 
{
  "cardNumber": "1234123412341234", // mandatory
  "cvv": "123", // mandatory
  "expiryMonth": 2, // mandatory
  "expiryYear": 2025 // mandatory
}
- Success Response:
- Status Code: 200
 - Body:
 
 
{
  "status": "APPROVED | REJECTED"
}