curl --request GET \
  --url https://test.deribit.com/api/v2/private/get_current_deposit_address \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 3461,
  "method": "private/get_current_deposit_address",
  "params": {
    "currency": "BTC"
  }
}
'

{
  "jsonrpc": "2.0",
  "id": 3461,
  "result": {
    "address": "2N8udZGBc1hLRCFsU9kGwMPpmYUwMFTuCwB",
    "creation_timestamp": 1550575165170,
    "currency": "BTC",
    "type": "deposit"
  }
}