How can I upload a Logo and a Banner under the Branding section of a meeting via the API?

Hi,
When creating a meeting I can select / upload a Logo and a Banner under the Branding section.
How can I do it via the API?

Another option (maybe) is to duplicate an existing meeting - but I see no way to do it.
There is an option to use account based template - but there is no Branding section in such a template.

So:

  1. Is there a way to control the branding section of a meeting via the API?
  2. Is there a way to add the branding section to the account level template?

Thanks!
Ram