curl --request POST \
  --url https://apiv1.cakeip.com/openapi/ip/getIpAddress \
  --header 'Content-Type: application/json' \
  --data '
{
  "appKey": "<string>",
  "params": {
    "provider": 2,
    "protocol": "socks5"
  }
}
'

{
  "code": 0,
  "msg": "<string>",
  "data": {
    "hosts": [
      "t1.cakeip.app",
      "t2.cakeip.app",
      "t3.cakeip.app"
    ],
    "port": 10000,
    "protocol": "socks5"
  }
}