shopify_api/test/fixtures/discount_codes.json

{
  "discount_codes": [
    {
      "id": 1002091923,
      "price_rule_id": 102586120,
      "code": "SUMMERSALE10",
      "usage_count": 5,
      "created_at": "2017-03-09T19:22:49Z",
      "updated_at": "2017-03-09T19:22:49Z"
    }
  ]
}