There are 2 repositories under firepowerapi topic.
This is a Sample Script that can parse the O365 Web Service API and upload it to Firepower Management Center as Group Objects.
Cisco ACI, Firepower, Meraki, NETCONF, and SQL Python Programs
Cisco Firepower Manager API Python Scripts
firepower api client in go & command tool
Python script to convert objects from ASA to standalone Firepower, FDM.
Tool to import and export network objects between Cisco FDM managed FTDs