Passing a lead from One Mautic to another on Open Mailer

[joeyk]

No.
You need to fire a tracking pixel before you create a new contact with the API.
This problem is described here (you and me had a conversation on this):

Tracking Code & Shopify Not Matching up to Contacts

Hey @jordan_ryan , thank you so much for the answer. To make sure I understand it right: Someone visits shopify as an anonymous contact, creating a cookie. This person purchases something, so I fire the tracking pixel containing the email address on the thank you page The contact’s anonymous profile is now extended with the email = converted into a known contact? Joey

There is a brilliant solution for this by Matthias Reich:

Automatisierte Webinare mit Wordpress + Mautic inkl. Teilnehmer Tracking

It’s in German, but he provides a very elegant code:
Problem description min 17:00
For the solution he is using a php redirect (again, brilliant!): min 23:00

Also @robm has a workaround, it is a different approach:

Is anyone willing to share a template to allow me to communicate with the Mautic APi for $100?

Here is my working solution to link Thrive Themes with Mautic. I think this method would work well for most 3rd party form builders, provided they can pass the form variables via URL. I am not using the API connection but it’s an alternative that enables the use of all Mautics actions. [How to integrate Thrive Leads with Mautic]