Promo ongkir memiliki 3 opsi. Promo Flat Ongkir, Promo Gratis Ongkir dan Diskon Ongkir.

Promo Flat Ongkir with Courier

"promo_item": {
	"name": "FLAT_ONGKIR",
	"items": [
		"price": 5000,
		"courier_opsi": [1,5,4,2]
	]
}

Promo Flat Ongkir with area

"promo_item": {
	"name": "FLAT_ONGKIR",
	"items": [
		"price": 5000,
		"area": [
		{
			"province_id": [1,2,3,4,5],
			"city_id": [87,11,23],
			"district": [874,932,094]
	]
}

Promo Flat Ongkir No Exception

"promo_item": {
	"name": "FLAT_ONGKIR",
	"items": [
		"price": 5000
	]
}