Can I integrate Connex to a sandbox QuickBooks Online file?
Yes, it is possible to integrate Connex with a sandbox QuickBooks Online account or file.
To do so:
Does Connex Online work with a 30-day free trial of QuickBooks Online?
Yes. You can integrate Connex Online with a 30-day free trial of QuickBooks Online, even If you have no sandbox. Furthermore, in this case, there is no need to use a special URL.