curl --request GET \
  --url https://api.voucherify.io/v2/loyalties/card-definitions/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'X-App-Id: <api-key>' \
  --header 'X-App-Token: <api-key>'

{
  "id": "<string>",
  "name": "<string>",
  "code_config": {
    "pattern": "<string>",
    "length": 123,
    "charset": "<string>",
    "prefix": "<string>",
    "postfix": "<string>"
  },
  "points_expiration": {
    "rolling_expiration": {
      "period": {
        "value": 2
      },
      "rounding": {
        "value": 6
      }
    },
    "calendar_expiration": {
      "expiration_dates": [
        {
          "day": 16,
          "month": 6
        }
      ]
    },
    "sliding_expiration": {
      "earning_activity": true,
      "spending_activity": true,
      "custom_activity": true,
      "custom_activity_types": [
        "<string>"
      ],
      "period": {
        "value": 2
      }
    }
  },
  "pending_points": {
    "period_based": {
      "period": {
        "value": 2
      }
    },
    "fixed_dates": {
      "dates": [
        {
          "day": 16,
          "month": 6
        }
      ]
    },
    "event_based": {
      "event_types": [
        "<string>"
      ],
      "cancel_period": {
        "value": 2
      }
    }
  },
  "earning_limits": {
    "global": {
      "limits": [
        {
          "max": 2,
          "period": {
            "current_period": {}
          },
          "points": {
            "max": 1073741824
          }
        }
      ]
    },
    "transactions": {
      "limits": [
        {
          "max": 2,
          "min_amount": 2
        }
      ]
    }
  },
  "spending_limits": {
    "global": {
      "limits": [
        {
          "max": 2,
          "period": {
            "current_period": {}
          },
          "points": {
            "max": 1073741824
          }
        }
      ]
    },
    "transactions": {
      "limits": [
        {
          "max": 2
        }
      ]
    }
  },
  "refunds": {
    "spent_points": {
      "methods": [
        {}
      ]
    },
    "earned_points": {
      "methods": [
        {}
      ]
    }
  },
  "balance_settings": {
    "allow_negative": true
  },
  "metadata": {},
  "created_at": "2023-11-07T05:31:56Z",
  "object": "<string>",
  "updated_at": "2023-11-07T05:31:56Z"
}