curl --request PUT \
  --url https://api.loyalty.dog/v2/loyalty/programs/{programId}/vouchers/{voucherId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "description": "<string>",
  "startDate": "2023-11-07T05:31:56Z",
  "endDate": "2023-11-07T05:31:56Z",
  "expiresIn": 123,
  "limitPerCustomer": 123,
  "availabilityCount": 123,
  "requireFields": [
    "<string>"
  ],
  "issueBeforeBirthday": 123,
  "discountValue": 123,
  "discountCurrency": "<string>",
  "categories": "<string>",
  "products": "<string>"
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}