# Converting anonymous user with non mastic form data **URL:** \ **Category:** General Discussion\ **Created:** [November 24, 2021, 8:29pm UTC](https://forum.mautic.org/t/converting-anonymous-user-with-non-mastic-form-data/21765 "2021-11-24T20:29:37Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![joeyk](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/joeyk/32/11164_2.png) [@joeyk](https://forum.mautic.org/u/joeyk)\ **Post date:** [November 26, 2021, 6:26am UTC](https://forum.mautic.org/t/converting-anonymous-user-with-non-mastic-form-data/21765/4 "2021-11-26T06:26:09Z")
Hi, Before you add the data via API, make sure to fire the Mautic tracking image. > **[Contact tracking](https://docs.mautic.org/en/contacts/manage-contacts/contact-monitoring)** > > . The act of monitoring the traffic and activity of contacts can sometimes be somewhat technical and frustrating to understand. Mautic makes this monitoring simple and easy to configure.Website Monitoring. Monitoring all traffic on a website can be... This way the anon contact will be merged with the newly acquired email information. Otherwise you’ll have this issue: > [@Tracking Code & Shopify Not Matching up to Contacts](https://forum.mautic.org/t/tracking-code-shopify-not-matching-up-to-contacts/16465): > > Your software My Mautic version is: 2.16.3 My PHP version is: 7.2 Your problem My problem is: We have installed the tracking code on Shopify and enabled on Mautic side: Identify visitor by tracking url Identify visitor by device fingerprint Identify visitors by IP The problem is that we are able to track all visitors however it is not connecting them to the contacts. I signed in as a user, see that I am signed in, however I do not see any Events under my contact. Any pointers on how t… If you use Mautic forms, its all automatic. --- _[View the full topic](https://forum.mautic.org/t/converting-anonymous-user-with-non-mastic-form-data/21765)._