In a large mixing bowl, combine the ground beef, bread crumbs, red chili flakes, onion powder, garlic powder, paprika, Italian seasoning, salt, and black pepper.
Crack the egg into the bowl and mix the ingredients thoroughly with your hands or a fork until everything is well incorporated.
Preheat your air fryer to 400°F (200°C) while you form the meat mixture into meatballs.
Roll the mixture into balls, roughly 1-inch in diameter, and evenly space them on the air fryer basket or tray. Make sure not to overcrowd them, and cook in batches if necessary to ensure proper air circulation.
Place the meatballs in the air fryer and cook for 10-12 minutes, or until they reach an internal temperature of 165°F (74°C). For even cooking, shake the basket or flip the meatballs halfway through the cooking time.
Carefully remove the cooked meatballs from the air fryer, then allow them to rest for a few minutes before serving. This allows the meatballs to redistribute their juices for maximum flavor and tenderness.
Serve your air-fried meatballs with your favorite pasta, sauce, or side dish and enjoy!