Learn how to create hidden fields and collect information that cannot be edited by a user.
| Tip: Are you looking for information about Constant Contact’s Email and Digital Marketing product? This article is for Constant Contact’s Lead Gen & CRM product. Head on over to the Email and Digital Marketing articles by clicking here. Not sure what the difference is? Read this! |
| Administrators | ✓ | |
| Company Managers | ||
| Marketing Managers | ||
| Sales Managers | ||
| Salespersons | ||
| Jr. Salespersons |
Hidden fields are invisible to users filling out a form. Hidden fields can also be used to detect whether a bot submitted the form information. Human users cannot even view the hidden field, but bots can view the field. If that field is filled out, you will know that a bot filled it out instead of a human user.
To add a hidden field to Lead Gen & CRM, do the following:

Changing an existing field
Field Types cannot be changed after they are created. You cannot change a field to a Hidden field; instead, you will need to create a new field.
Copyright © 2026 · All Rights Reserved · Constant Contact · Privacy Center