Opinion Stage has a native integration with HubSpot that lets you send email leads you capture in Opinion Stage content (e.g. polls/quizzes/surveys/forms) directly to your HubSpot account.
To configure the integration follow these steps:
1) Login to your HubSpot CRM
2) Copy the Hubspot API key
a) From the main drop-down, click the “Integrations” menu
b) Click on the “HubSpot API key” link
c) Copy the API key that is displayed at the bottom of the page
3) Configure HubSpot API key in the Opinion Stage lead form
a) Enable the HubSpot integration and click configure
b) Paste the HubSpot API in the form that is displayed
4) Verify form is saved and your done!