curl --request POST \
  --url https://api.voucherify.io/v2/loyalties/programs \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-App-Id: <api-key>' \
  --header 'X-App-Token: <api-key>' \
  --data '
{
  "name": "<string>",
  "start_date": "2023-11-07T05:31:56Z",
  "end_date": "2023-11-07T05:31:56Z",
  "metadata": {},
  "card_definitions": [
    {
      "id": "<string>"
    }
  ],
  "earning_rules": [
    {
      "id": "<string>"
    }
  ],
  "rewards": [
    {
      "id": "<string>",
      "costs": [
        {
          "spending": [
            {
              "points": 1073741824,
              "card_definition_id": "<string>"
            }
          ]
        }
      ],
      "stock": 1073741823
    }
  ],
  "tier_structures": [
    {
      "id": "<string>"
    }
  ]
}
'

{
  "id": "<string>",
  "name": "<string>",
  "start_date": "2023-11-07T05:31:56Z",
  "end_date": "2023-11-07T05:31:56Z",
  "metadata": {},
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "object": "<string>",
  "card_definitions": [
    {
      "id": "<string>"
    }
  ],
  "earning_rules": [
    {
      "id": "<string>"
    }
  ],
  "rewards": [
    {
      "id": "<string>",
      "costs": [
        {
          "rules": "<unknown>",
          "spending": [
            {
              "points": 123,
              "card_definition_id": "<string>"
            }
          ]
        }
      ],
      "stock": 123
    }
  ],
  "tier_structures": [
    {
      "id": "<string>"
    }
  ]
}