curl --request GET \
  --url https://api.yorlet.com/v1/balance/owners \
  --header 'Authorization: <api-key>'

{
  "object": "balance.owner",
  "available": [
    {
      "currency": "<string>",
      "amount": 123
    }
  ],
  "in_transit": [
    {
      "currency": "<string>",
      "amount": 123
    }
  ],
  "pending": [
    {
      "currency": "<string>",
      "amount": 123
    }
  ],
  "reserve": [
    {
      "currency": "<string>",
      "amount": 123
    }
  ]
}