curl --request POST \
  --url https://client-api.dev.finhost.io/client \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "John",
  "surname": "Doe",
  "nationality": "UKR",
  "birthday": "2017-07-21",
  "phone": "+380689873682"
}'

{
  "transactionStatus": "Initiation completed"
}