Yes. You can integrate your MoonClerk with Quickbooks Online using a web tool called Zapier. 

Zapier is a web automation platform that makes it easy for non-developers to connect over 1,000 web services together.

MoonClerk is available on the Zapier platform as well as Quickbooks Online. In order to use Zapier to connect Quickbooks Online with MoonClerk, you'll need to sign up for a Zapier account and follow these instructions to get started.