So, based upon this document I found from Johnson about FX Server, it can spool out the telemetry data to an external database like db2, SQL, Oracle with the correct drivers installed to the FX Server. Also, FX does have an API/JSON/webservices support, but you will see it requires a "license" and installation to do so.
1. https://docs.johnsoncontrols.com/bas/v/u/Facility-Explorer/en-US/FX-Server-Product-Bulletin
2. https://docs.johnsoncontrols.com/bas/r/Facility-Explorer/en-US/FX-Server-Release-14.x-Product-Bulletin/14.x/Ordering-codes
(Search for API and you will find the ordering codes)
I have not personally done a JC-FX integration, but given their support for rel-databases and JSON/REST/API, it does not seem too mysterious.
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John Q. Todd
Sr. Business Consultant
Total Resource Management
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