Preheat air fryer to 360 degrees.
In a small bowl, combine panko, coconut and oil. Set aside.
In another bowl, season the egg white with kosher salt, whisk well and set aside.
Place the cornstarch in a plastic bad, add the shrimp and shake to coat. Shake off any excess then dip the shrimp into the egg, followed by the coconut mixture.
Spray the fryer basket with oil in a mister, then spray the shrimp liberally. Place half the shrimp in the basket and cook for 5-7 minutes o until shrimp is cooked through and golden brown.
Repeat until all the shrimp are cooked.
Meanwhile, combine all the ingredients for the salsa in a bowl and toss well to combine.
Remove the shrimp from the air fryer to a paper towel lined plate.
Layer tortillas with purple cabbage, then top with the shrimp and finish with the salsa.
Serve immediately.