Prepare the chicken livers: Trim away excess fat and tough connective tissue. Discard any green-discolored liver, and pat the remaining pieces dry with paper towels.
Season the livers: Place them in a bowl with olive oil, garlic powder, onion powder, salt, black pepper, and optional paprika or cayenne. Toss gently to coat.
Preheat the air fryer: Set the air fryer to 400°F (200°C), following your appliance's preheating instructions.
Arrange in the basket: Place the seasoned livers in a single layer, leaving space between the pieces for air circulation.
Air fry: Cook for approximately 10–12 minutes, turning the pieces halfway through.
Check for doneness: Use an instant-read thermometer to confirm that every piece reaches an internal temperature of 165°F (73.9°C). Continue cooking if necessary.
Serve warm: Transfer the cooked livers to a clean plate and serve with your favorite sides or dipping sauce.