In order to integrate your landing page with your HubSpot account, click on Settings and select Integrations;
Select HubSpot from the top menu;
Now you need to log in to Hubspot;
After that, select which account you want to use;
On the next step, you can choose the list you want to send the leads to;
Now, you have to map your Instapage fields to the Hubspot fields. After you map all the fields from Instapage, click Continue;
And that’s it. If you went through all the steps, you should see this confirmation message. Click on Finish, then save and update your page.
Note: Make sure to test the integration with different email addresses because if you submit the form multiple times with the same email address the integration will flag the email as a spam.