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In order to run this script I will need to duplicate my app to add the ReadAccounts permission, wait 3 days until I meet the graduation requirements to get prod credentials, then run the script hopefully without needing other permissions?

Hi Luke,

As your SMS toll free numbers belong to the account level, you need to login with an admin user (normally the 101 or main company number). Once you log in, you can read the the phone numbers and detect if a number is an SMS TollFree number or not. Here is the code snippet in Node JS

var SDK = require('ringcentral')

var rcsdk = new RC( {server: "server_url", appKey: "client_id", appSecret: "client_secret"} );
var platform = rcsdk.platform();

platform.login( {username: "username", password: "password", extension: "extension_number"} )
    .then(function(resp) {
        read_sms_tollfree_number()
    });

function read_sms_tollfree_number(){
    platform.get('/account/~/extension/~/phone-number')
      .then(function(response) {
          var jsonObj =response.json();
          for (var record of jsonObj.records
              if (record.paymentType == "TollFree") {
                  if (record.type == "VoiceFax"){
                      for (var feature of record.features){
                          if (feature == "TollFreeSmsSender"){
                              console.log("TollFree number: " + record.phoneNumber)
                          }
                      }
                  }
              }
          }
        })
        .catch(function(e)
            console.error(e.message);
        });
}