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

Promo Flat Ongkir with Courier

"flat_ongkir": {
  "price": 50000,
  "couriers": [
    "JNE",
    "JNTEXP",
    "SAP",
    "ANTERAJA"
  ]
}

Promo Flat Ongkir with area

"flat_ongkir": {
  "price": 50000,
  "area":
		{
			"province_id": [1,2,3,4,5],
			"city_id": [87,11,23],
			"district": [874,932,094]
		}
}

Promo Flat Ongkir No Exception

"flat_ongkir": {
  "price": 50000
}