{"service":"Customer Complaint Management API","version":"1.0.0","description":"Secure API for managing customer complaints with full CRUD operations","endpoints":{"customer":["POST /findCustomer - Find customer by national ID"],"authentication":["POST /sendOTP - Send verification OTP to customer","POST /validateOTP - Validate OTP for customer authentication"],"complaints":["POST /createComplaint - Create a new complaint (CREATE)","POST /getComplaint - Retrieve complaint details (READ)","POST /updateComplaint - Update complaint status (UPDATE)","GET /getComplaints/{cin} - List all complaints for a customer (READ)"],"health":["GET /health - Service health status"]},"security":"OTP verification required for complaint operations"}