Multi-Platform Sync Automation Setup

I have four cloud platforms—Pylon, ServiceM8, Xero, and GoHighLevel CRM—that must pass data seamlessly among themselves. The goal is a single automated workflow where customer information, sales data, and task-management details stay in real-time sync without manual intervention... (Budget: $250 - $750 AUD, Jobs: API, API Development, Automation, Cloud, Cloud Computing, Data Integration, Data Management, Make.com, RESTful API, Software Development)