const Infutor = require('@calistyle/infutor').Infutor
const infutor = new Infutor()

infutor.configure({
  login: 'your-username',
  password: 'your-password'
});

// retrieve a customer
nmi.customer.get({
  fname: 'John',
  lname: 'Smith',
  phone: '1234567890'
})

try {
  let customer = await infutor.customer.get('<customer_obj>');

  // success!

}
catch(err) {

  if (err.isInfutor) {
    // payment or gateway error - see err.response
  }
  else {
    // connection or outside error
  }

}