Hello @ignaziot,
Thanks for reaching out.
We are always doing our best to support you as fast as possible with your request. We received and answered your support email. Therefore, please check if our email has ended up in your spam folder.
Nevertheless, please follow these steps in our guide to make sure to connect Pinterest with Blog2Social correctly:
How do I connect Blog2Social with Pinterest?
https://www.blog2social.com/en/faq/index.php?action=artikel&cat=3&id=72&artlang=en
May I ask if you entered your email or your username?
Please let us know if this works for you. If this still does not work as expected, please do not hesitate to get back to us via help&support in your plugin. However, we would be greatly delighted if you could adjust your review to let us know if we could help you out.