A: Hello!

Thank you for your interest in Salestio.
Magento is definitely on our to-do list.

Right now we don't have any ETA for when it will be available. But you can follow this idea to get a notification when it will become available —
https://salestio.frill.co/b/4q0q4pm2/feature-requests/add-support-for-magento-and-amazon

Please let us know if you will have any additional questions.