The project is implemented in Go programming language, we use the opensource
"github.com/spf13/cobra" as the cli/console application framework 

install Go, https://golang.org/doc/install
make sure $GOPATH has been configured

    cd $GOPATH
    go get github.com/wy3148/cm
    cd $GOPATH/src/github.com/wy3148/cm
    go build

./cm help
./cm client --api_key your_api_key --client_id your_client_id
./cm list create --api_key your_api_key --client_id your_client_id --json_file example.json

example.json is a json-formatted file
{
"Title": "Website Subscribersi Testing",
"UnsubscribePage": "http://www.example.com/unsubscribed.html",
"UnsubscribeSetting": "AllClientLists",
"ConfirmedOptIn": false,
"ConfirmationSuccessPage": "http://www.example.com/joined.html"
}

the default API url: https://api.createsend.com/api/v3.1
run 'export cm_url' on linux/mac or 'set cm_url' on windows to configure a different API url

 {
 "ApiKey": "28160ca6ab63eda45a74d3317869b500b364b85fc31ead15",
 "BasicDetails": {
  "ClientID": "e7a8cbe95cd62de2afda7189612a5895",
  "CompanyName": "NETFON",
  "ContactName": "",
  "EmailAddress": "",
  "Country": "Australia",
  "TimeZone": "(GMT+10:00) Canberra, Melbourne, Sydney"
 },
 "BillingDetails": {
  "CanPurchaseCredits": false,
  "Credits": 0,
  "BaseDeliveryRate": 7.0,
  "BaseRatePerRecipient": 1.4000,
  "BaseDesignSpamTestRate": 7.0,
  "MarkupOnDelivery": 0.0,
  "MarkupPerRecipient": 0.0,
  "MarkupOnDesignSpamTest": 0.0,
  "Currency": "AUD",
  "ClientPays": false
 }
}

2018/02/17 22:21:50 will create a new list: {
    "Title": "Website Subscribersi Testing",
    "UnsubscribePage": "http://www.example.com/unsubscribed.html",
    "UnsubscribeSetting": "AllClientLists",
    "ConfirmedOptIn": false,
    "ConfirmationSuccessPage": "http://www.example.com/joined.html"
}

2018/02/17 22:21:51 response code: 201
2018/02/17 22:21:51 body response:
 "aaf13cd89855e2c164350cbe4cd4dba7"