In a bowl, combine crab meat, breadcrumbs, egg, mayonnaise, mustard, lemon juice, Old Bay seasoning, Worcestershire sauce, parsley, and green onions.
Gently mix the ingredients until just combined.
Refrigerate the mixture for 20–30 minutes.
Roll the mixture into 1 tablespoon-sized balls.
Preheat the air fryer to 375°F (190°C).
Lightly spray the crab cake bites with cooking spray.
Arrange them in the air fryer basket in a single layer.
Cook for 8–10 minutes, flipping halfway through.
Serve hot with your favorite dipping sauce.