curl --request POST \
  --url https://api.perpo.trade/v1/internal_transfer \
  --header 'Content-Type: application/json' \
  --header 'perpo-account-id: <perpo-account-id>' \
  --header 'perpo-key: <perpo-key>' \
  --header 'perpo-signature: <perpo-signature>' \
  --header 'perpo-timestamp: <perpo-timestamp>' \
  --data '
{
  "token": "USDC",
  "receiver_list": [
    {
      "account_id": "0x0000000",
      "amount": 100
    }
  ]
}
'

{
  "success": true,
  "timestamp": 1702989203989,
  "data": {
    "internal_transfer_request_id": 123
  }
}