curl --request POST \
  --url https://app.alphapo.net/api/v2/accounts/list \
  --header 'X-processing-key: <api-key>' \
  --header 'X-processing-signature: <api-key>'

{
  "data": [
    {
      "currency": "BTC",
      "type": "crypto",
      "balance": 0.04
    }
  ]
}