{"status":"ok","service":"invoice-svc","docs":"/docs","description":"Invoice generation and management microservice","endpoints":{"POST /api/invoice/summary":"Get invoice summary by userID","POST /api/invoice":"Get invoice details","GET /api/invoice/download/{txn_id}":"Download invoice PDF","GET /api/invoice/download/{user_id}/{category}/{txn_id}/{invoice_id}":"Download dynamic invoice PDF"}}