Combine sesame oil, soy sauce, honey, sriracha, and vinegar in a large bowl.
Add chicken and stir to combine.
Cover and refrigerate for at least 30 minutes.
Preheat an air fryer to 400 degrees F (200 degrees C).
Drain marinade from the chicken.
Place chicken thighs skin-side up in the basket of the air fryer.
Cook for 5 minutes.
Flip and cook an additional 10 minutes.
Transfer chicken to a plate and let rest 5 minutes before serving.
Garnish with green onion and sesame seeds.
