Preheat the oven to 400 degrees F (200 degrees C) with racks in the upper and lower third positions. Coat 2 large rimmed baking sheets with cooking spray. Cut wonton wrappers in half on the diagonal to create triangles. Arrange in a single layer on prepared baking sheets; coat with cooking spray.
Bake in the preheated oven until golden and crisp, 6 to 8 minutes, rotating baking sheets top to bottom and back to front halfway through. Let cool on baking sheets slightly, about 5 minutes.
Stir together crabmeat, cream cheese, scallions, Sriracha, soy sauce, lemon juice, sugar, garlic powder, grated garlic, and salt in a bowl until combined.
Arrange baked wonton chips in an even layer on a large rimmed baking sheet. Dollop crab mixture evenly over chips.
Bake on upper third rack in preheated oven until crab mixture is warmed through, about 5 minutes.
Remove from the oven, drizzle evenly with sweet chili sauce, and garnish with additional scallions, cilantro, jalapenos, and sesame seeds, as desired. Serve immediately. Recipe developed by Nicole Hopper