curl --request GET \
  --url https://{cluster}.voucherify.io/v1/loyalties/{campaignId}/members/{memberId} \
  --header 'Authorization: Bearer <token>' \
  --header 'X-App-Id: <api-key>' \
  --header 'X-App-Token: <api-key>'

{
  "id": "v_0aMj6Mdp0i3zuXrd9NnBKboc7746mlgF",
  "code": "MmFAzfDe",
  "campaign": "Loyalty Program",
  "campaign_id": "camp_7s3uXI44aKfIk5IhmeOPr6ic",
  "category": null,
  "category_id": "cat_0b6152ce12414820de",
  "categories": [],
  "type": "LOYALTY_CARD",
  "discount": null,
  "gift": null,
  "loyalty_card": {
    "points": 13435,
    "balance": 13135,
    "next_expiration_date": "2022-11-30",
    "next_expiration_points": 12
  },
  "start_date": null,
  "expiration_date": null,
  "validity_timeframe": null,
  "validity_day_of_week": null,
  "active": true,
  "additional_info": null,
  "metadata": {},
  "assets": {
    "qr": {
      "id": "U2FsdGVkX184kVdWUO/msrLg1G0MRf/Cs6QwSN3f6kyWCOTGdijyq8OfUbUpcGx6fjdeIpTf2UilFGNG8aCWVk/dXm/QEJ/sulXKDlUMWf+MN7TRG5LB+wuzqTy7csDBfRoJn0fURpwU4A6VZZSwBQ==",
      "url": "{{internalVoucherifyURL}}"
    },
    "barcode": {
      "id": "U2FsdGVkX1/RGZN9VwvkdI6B26PPZQZWjh33USr5NPMXbHuJVkxsH6TUyW/cXen1Lc7gaqik09BGiry0R4QIAP52jnxQuABOsW0HdYfglsLPY7IajGX5rJzZKDKuzioq2vRIPyuE6z03frAod7ptvQ==",
      "url": "{{internalVoucherifyURL}}"
    }
  },
  "is_referral_code": false,
  "created_at": "2022-02-18T14:03:59.954Z",
  "updated_at": "2022-11-21T13:49:54.949Z",
  "holder_id": "cust_sehkNIi8Uq2qQuRqSr7xn4Zi",
  "redemption": {
    "quantity": null,
    "redeemed_quantity": 1,
    "redeemed_points": 300,
    "object": "list",
    "url": "/v1/vouchers/MmFAzfDe/redemptions?page=1&limit=10"
  },
  "publish": {
    "object": "list",
    "count": 1,
    "url": "/v1/vouchers/MmFAzfDe/publications?page=1&limit=10"
  },
  "object": "voucher"
}