curl --request POST \
  --url https://api.spacebring.com/visitors/visits/v1/checkin \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "code": "<string>",
  "locationRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

{
  "visit": {
    "code": "102288",
    "comment": "<string>",
    "checkInDate": "2023-11-07T05:31:56Z",
    "checkOutDate": "2023-11-07T05:31:56Z",
    "createDate": "2023-11-07T05:31:56Z",
    "date": "2023-11-07T05:31:56Z",
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "location": {
      "address": "<string>",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "timezoneId": "<string>",
      "title": "<string>"
    },
    "locationRef": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "userHost": {
      "about": "<string>",
      "email": "<string>",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "phoneNumber": "<string>",
      "photoUrl": "<string>",
      "surname": "<string>"
    },
    "userRefHost": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "userRefVisitor": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "visitor": {
      "email": "<string>",
      "name": "<string>",
      "phoneNumber": "<string>",
      "surname": "<string>"
    }
  }
}