Marinate 1 pound small shrimp in 1 cup buttermilk1 tablespoon hot sauce, 1 teaspoon kosher salt for 30 minutes in fridge.
In a small mixing bowl, mix together 1½ teaspoons smoked paprika, 1 teaspoon garlic powder, 1 teaspoon onion powder, ½ teaspoon cayenne pepper, ½ teaspoon black pepper, ½ teaspoon white pepper, ½ teaspoon dried oregano, ½ teaspoon dried thyme, and ½ teaspoon kosher salt.
Whisk 1 cup all-purpose flour,½ cup fine cornmeal, and Cajun blend in a wide bowl.
Remove shrimp from buttermilk one at a time. Dredge in flour-cornmeal mixture, press gently, shake off excess. Rest on wire rack 5 min.
Deep fry: Heat oil to 350°F. Fry in batches of 10–12 for 2–3 minutes until golden. Drain on wire rack. Salt immediately.
Air fryer: Preheat 400°F. Single layer in sprayed basket. Spray tops. Air fry 4 min. Flip, spray again. Air fry 3–4 more min.
Serve immediately with Dipping sauces, Lemon wedges, Blackened Ranch, tartar sauce, or cocktail sauce.