Expertise AI Knowledge Base

Misc: Setting Up Attribution for HubSpot Forms

Last updated on February 2, 2026
 

HubSpot Form Attribution Setup (Step-by-Step)

Step 1: Go to HubSpot

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Log in to your HubSpot account.

Step 2: Create a New Contact Property

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Go to ContactsEdit columnsCreate a property.
  • Name the property (example: ExpertiseAiForm)
  • Set the field type to Single-line text

Step 3: Save the Property

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Click Continue to create the property.
Copy the internal property name — you’ll need this later.

Step 4: Open the Form

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Navigate to Forms and open the form you want to track attribution for.

Step 5: Add a Hidden Field

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Add a Single-line text field to the form.
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Connect this field to the property you just created and mark it as Hidden.

Step 6: Update the Form and Get the Share Link

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Review and update the form, then copy the shared form link.

Step 7: Add Attribution via Query String

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Open the shared form link.
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Add a query string to the end of the URL using the internal property name:
?Expertise.FormAttribution=true
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Save the updated URL.

Step 8: Submit the Form

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Open the form using the updated link.
The hidden field will not appear, but it will be populated automatically on submission.

Step 9: Verify Attribution in Contacts

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Go to Contacts in HubSpot and open the newly created contact.
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Confirm that the attribution property is set to true.