Creating a QNA case using the ruby wrapper ...

create_qna_case.rb

require 'desk_api'

DeskApi.configure do |config|
  config.username = 'me@support.com'
  config.password = 'MyReallySecretPassword'
  config.subdomain = 'syncmade'
end

DeskApi.cases.create({
  type: 'qna',
  subject: 'QNA Case',
  status: 'new',
  labels: ['QNA'],
  message: {
    subject: 'QNA Case',
    body: 'Some question',
    _links: {
      topic: {
        href: '/api/v2/topics/627189',
        class: 'topic'
      }
    }
  },
  _links: {
    customer: {
      href: '/api/v2/customers/160402180',
      class: 'customer'
    }
  }
})