No, there is no API for reports but what you can do is to fetch the activity data in database and use that to create reports.Since Marketo have 90 days and 25 month data retention ...
What I mentioned above should work for you. Create a new field and ask marketo to merge it. You can put a different field label (friendly name) for now and re-name it to what you w...
BTW, I would suggest to sync all the leads in SFDC and assign to a lead queue, which you can call "Marketing Queue". Hide these leads from the SDRs and re-aasign to appropriate SDR...
You can redirect the user to different thank you pages based on the form responses. Check out this doc for more info:Set a Form Thank You Page - Marketo Docs - Product Documentatio...
If you really want to change it, the work around will be, creating a new field, and ask Marketo support to merge the old field in the new field and keep the old field values.
Since you just want the opportunity information available in Marketo for smart list and trigger campaigns not for any attribution reporting, the simplest way would be using the cus...