Add the chickpeas to an air fryer or skillet. Spray with olive oil cooking spray and add the garlic powder and salt.
Cook for 10 minutes at 400 degrees in the air fryer. If cooking in a skillet cook over medium heat for 7-10 minutes, or until the chickpeas are crunchy. Make sure to occasionally stir the chickpeas or shake the air fryer basket.
For the tzatziki sauce:
In a small bowl mix together the yogurt, garlic, lemon juice, dill, shredded cucumber, salt, and pepper.
Assembling the snack plate:
Add the tomatoes, pita bread, cucumber, carrots, olives, grapes, hummus, tzatziki sauce, and chickpeas to a plate.