How to add a new group member through the API

Robert Stroud <rstroud@...>

I am working on a new website for my Amateur Radio Club.
Our club has a subscription that I believe is a Basic Subscription.
My question is  - is it possible to add a new Club Member to the Club's membership list through the API?
If the Basic subscription supports this capability, can you provide a referenced to the location where documentation for this capability can be found?
Thanks for any help you can provide.obert

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