Asking for API documentation link

Hi there,

This is Sergio, I am a software developer on a project with, an integration platform. After the “Developers Category” (About the Developers category )I believe there is an API available with RapidReg, is that right? I am looking to add RapidReg to’s App Store

For that I need to submit a test request against the API, something like the request on Zoom API integrations I am contracting with Pipedream to add different SaaS to their App Store.
Could you please point me, send me a link to the developer API documentation?
Right now I am on the free plan with RapidReg.

Many thanks,
Sergio Eliot Rodriguez