Is there an API call to post questions in the QA from a Webinar?

Is there an API call to post questions in the Q&A from a Webinar?
We would like to be able to connect and reply directly via the Q&A panel from our site.

It looks like that behavior is not supported today,@Ii_Vi !

Please share more details about your use case and I can help to figure what the options you can explore to create the experience you are looking for!