In a medium bowl, add the ground turkey, seasonings, & chopped onion. Mix with a large spoon or your hands until seasonings are evenly disributed within meat mixture.
Using your cookie scoop, or hands, form mixture into balls and place into air fryer basket 1-2 inches apart.
Cook at 400 degrees F for 8 minutes.
In a sauce pan, mix cranberries, water, tapioca starch, and sweetener. Bring to a boil over a medium-high heat.
Cover and reduce heat. Allow to simmer for about 10 minutes, or until cranberries are fully broken and incorporated into the mixture.
Serve glaze as a dipping sauce or pour over meatballs. Can be stored for up to 5 days in refridgerator.