Can't integrate it with mailchimp

Hello ,
Please somebody to help me , integration didn’t work for me :

I have newsletter contact form (cf7) ..

<h1 style="text-align:center; color:#fff">I'm interested in:</h1>
&nbsp;
<div style="margin:auto; width:100%;"><p style="text-align:left; color:#fff">
[checkbox* my_checkbox use_label_element "Automatically copying profitable trade signals into my MT4 broker account" "Investing BTC in a profitable Hedge Fund" "Reducing transaction costs and having a store of value with a BTC offline wallet" "Learning more about opportunities by attending seminars"  "Hiring a Crypto Currency expert to advise/work on our project" "Introducing our clients to your services to earn from it"]</p></div>
&nbsp;
<p style="text-align:center">
[text* your-name placeholder "Your Name"]</p>

<div style="display:none">
[text text-451 id:sub "New News Letter Referral"]
</div>

<p style="text-align:center; padding-top:20px;">
[email* your-email placeholder "Your Email Address"]</p>
&nbsp;
<p style="text-align:center">
[submit "GET UPDATES"]</p>

i installed this autoresponder plugin and do a settings as in instruction .
I paid attention to API and enter it correctly, also the list name.
But when i fill cf7 form and click submit, nothing happens..
I am not receiving email with respond and new subscriber is not added to list.
anybody help ?

https://wordpress.org/plugins/contact-form-7-autoresponder-addon-plugin/