Objective: This API facilitates the periodic synchronization between two client systems: one handling POS data and the other managing customer information and loyalty points.

Key Features:

Data Synchronization: Periodic data retrieval from the POS system to automatically register new customers in the loyalty management system.

Purchase and Points Update: Automated updates on customer purchases and accumulated loyalty points shared across both systems.

Sensitive Data Handling: Designed with rigorous handling of sensitive information, with robust error-checking and logging mechanisms and optimized, thoroughly reviewed complex queries.