In a small bowl, mix all seasoning spice blend ingredients until combined. Rub it all over the chicken thighs, including under the skin.
Preheat the air fryer then set the temperature to 400°F. Lightly grease the basket or tray with oil.
Place chicken thighs in the air fryer basket in a single layer, skin-side up. Working in multiple batches as needed. Cook the chicken thighs for 18-25 minutes or until the internal temperature registered at 165°F, rotate the chicken halfway through.