Start with rinsing the frog legs and then patting them dry with a paper towel. Brush them with olive oil.
Place them in a resealable plastic bag.
Add these ingredients to a small bowl: baking powder, smoked paprika, flour, onion powder, pepper, and salt. Mix them together.
Place the flour mixture in the bag with the legs frogs. Seal it, and then toss the bag so that the legs are coated.
Spray the air fryer basket with cooking oil to prevent sticking. Preheat the air fryer to 380F (175C).
Place the frog legs without overlapping. You may need to air fry them in batches. Air fry for 7-8 minutes, or until they are golden brown on the outside.