I can see a feature request to include sms in the export data:
https://ideas.ringcentral.com/ideas/CUSTCOM-I-3282
You can use the message export API set to do the job. It allows you to export the entire account message store content. Read this blog for details. If you want to export data per extension, you have to use the get message list API instead.
How do I get access to the beta API? It doesn't seem to allow me past the fist step. To I need additional permission?
Maybe its not beta, but the "get message list API" you mentioned above.
I'm not the developer, but the product owner. I am trying to get my developer access.
Thanks! We've created the account, selected sandbox, but there are no app to chose from in the drop down, so we can't run anything. What do we do from here?
The documentation is difficult. It's not just you.