Error while implementing IVA flow

Greetings for the day!

I am using IAV flow for verification and used given demo code for it. But i am getting error as mentioned below. I have mentioned steps also which which I have performed.

Error: {“code”:“CommunicationError”,“message”:“Unable to communicate with iframe. Serving this page over https instead of file should fix the problem.”} – Response: undefined

  1. Created personal verified customer
  2. Got iav-token for that customer
  3. Implemented js code according to this
<script type="text/javascript">
  $('#start').click(function() {
    var iavToken = '4adF858jPeQ9RnojMHdqSD2KwsvmhO7Ti7cI5woOiBGCpH5krY';
    dwolla.iav.start(iavToken, {
      container: 'iavContainer',
      stylesheets: [
      microDeposits: false,
      fallbackToMicroDeposits: false
    }, function(err, res) {
      console.log('Error: ' + JSON.stringify(err) + ' -- Response: ' + JSON.stringify(res));

Please feel free to reach me if you have any queries. We are waiting for your response.
Thank you.

Hi @Rinkal_Gohel, would you be able to share some more information about your app or some additional code? is this a web app or mobile app with dwolla.js loaded within a WebView on a mobile browser? Looking at the recommended action from the error message, have you confirmed the page is loaded over https and not http or file?

Thank you for your quick response, it is just normal web application

Are you able to confirm this for us?

Thank you so much for your quick reply.

it is a simple html file, in which I am adding js code of IVA flow. I am attaching file here.

I have some other questions also, listed below.

  1. can you please share the details or screenshot of the form which we have to fill during IAV flow or plaid verification.
  2. can we transfer money to other countries or it is for US only?
  3. can you please share pricing for dwolla ? is there any fees while transferring money?

Hoping to hear from you soon.
Thanking you in anticipation.

(Attachment dwolla.html is missing)