curl --request POST \
  --url https://public-api-demo.clearline.me/v2/pos/{posSystemId}/coupon/couponCodes/lookup \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json-patch+json' \
  --data '
{
  "posLocationId": "6orMqUyq2Hg3tP",
  "code": "Sl75Ev"
}
'

{
  "data": {
    "couponCodes": [
      {
        "rewardProvider": "TwoReward",
        "code": "<string>",
        "name": "<string>",
        "title": "<string>",
        "pictureUrl": "<string>",
        "availableUntil": "2023-11-07T05:31:56Z",
        "status": "Issued",
        "info": [
          {
            "title": "<string>",
            "items": {}
          }
        ]
      }
    ]
  }
}