Hi Maxime, Sam from the Product Team here - thanks for submitting this request! While we don't have this planned at this time, have you looked into connecting to Returnly using a Fivetran Webhook?

https://developer.returnly.com/webhooks/#section/Introduction/Getting-Started

We will continue to collect customer demand to justify the commitment to support & maintain a high-quality Fivetran connector. Every upvote on this request increases the case to build it.