In a large mixing bowl, combine the lump crab meat, cream cheese, breadcrumbs, green onions, cheddar cheese, garlic powder, Worcestershire sauce, Old Bay seasoning, salt, and pepper. Mix until well combined.
Add the beaten egg to the mixture and stir until everything is evenly coated.
Preheat your air fryer to 375°F (190°C) for about 5 minutes.
Using your hands, form the crab mixture into small balls, about 1 inch in diameter.
Lightly spray the air fryer basket with cooking spray. Place the crab bites in a single layer in the basket, making sure they are not touching.
Air fry the crab bites for 8-10 minutes, or until they are golden brown and crispy. You may need to do this in batches depending on the size of your air fryer.
Once cooked, remove the crab bites from the air fryer and let them cool for a few minutes before serving.