Make the chickpeas: Drain chickpeas and dry. Heat oil in medium skillet on medium heat until shimmering. Cook chickpeas until slightly brown, then coat with spices. Continue cooking, stirring every 30 seconds until spices are fully mixed and fragrant.
Make the tzatziki: Mix all ingredients in bowl and place to the side or in fridge until ready to serve.
Make the veggies: Mix all ingredients together and place to the side until ready to serve.
Spread hummus in center of pita to hold chickpeas. Top with veggies, tzatziki, and feta.
For vegan: Sub greek yogurt with vegan alternative, omit feta or sub with vegan feta