Preheat air fryer to 375°F. If your air fryer doesn't have a preheating setting, let warm up first for 5 minutes.
Spray basket of air fryer. Add a single layer of wonton wrappers, then spray tops with oil. Repeat with 1-2 additional layers, spraying with oil between each layer.
Air fry for 3-5 minutes, shaking every 1-2 minutes, until golden brown and crisp.
Transfer to cooling rack and immediately season with salt. Let cool completely.
