Hubspot Form with some hidden fields with preselected default values.
- Publish this form as a Hubspot embed or on a Hubspot page
- Fill in this form
- All fields are taken into account (also the hidden fields with preselected default values) as the normal form behaviour.
- Fill in this form using the Form API
- Only submitted fields are take into account, the hidden fields (with preselected values) of the form are NOT processed and stored for that contact. You have to submit also the hidden fields with the API to store them in the CRM.
Doesn't seem logic and a parameter in the API should give you the ability to experience the normal form behaviour?