curl --location 'https://api.techrar.com/inventory/v1/merchant/items/config/' \
--header 'app-id: 4' \
--header 'Authorization: Bearer <token>'{
"id": 1,
"custom_fields": null,
"mada_offer_percentage": 1.0,
"visa_mastercard_offer_percentage": 0.0,
"apple_pay_offer_percentage": 0.0,
"buy_now_pay_later_offer_percentage": 0.0,
"show_offers_in_product_page": true
}