The Linear/GoControl zwave device is on the “Official works with smartthings” list and is very popular. It includes a separate tilt sensor so the door can communicate “closing” status as well as “closed.” It’s UL listed, sold at both Lowe’s and Home Depot, and typically cost around $90 although you can sometimes get it for less on sale.
https://www.amazon.com/dp/B00M75TEIU/
Check with them to make sure your specific garage door models are compatible, but most are unless they have MyQ built into them rather than as an add-on.
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https://www.smartthings.com/products/linear-gocontrol-garage-door-opener
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The same device is sold under multiple brand names, but they’re all the same model, just in a different box.