Place your sliced chicken and veggies into a large bowl.
Sprinkle with the taco seasoning then drizzle with your oil and lime juice and zest.
Stir well to season each piece.
Preheat your air fryer to 390 degrees f. for 4 minutes.
Transfer the fajita mixture to the basket of your preheated air fryer and cook for 15-18 minutes until chicken is cooked through, shaking the basket halfway.
Garnish with sliced green onions and enjoy.