Authorization: Bearer ********************curl --location --request GET '/coupons/available' \
--header 'Authorization: Bearer <token>'[
{
"coupon_id": 0,
"code": "string",
"value_usd": 0,
"coupon_scope": "string",
"coupon_type": "string",
"description": "string",
"valid_until": "2019-08-24T14:15:22Z",
"remaining_uses": 0
}
]