First, head to the campaign where you'd like Stripe to be integrated. Then, hover over the sidebar on the left side of the screen, and click "Integrations".

Next, on the integrations page, either search Stripe in the upper right search box, or click the eCommerce category, then click Stripe.

On the following page, click Connect New Account.

Stripe requires the use of an API key to authorize the connection. You can view and manage your API keys from the Stripe Dashboard.

Once you have the API key, enter it in the API Key field, then save.

The last step is to select the account you've just added, ensuring the checkmark is highlighted next to the correct account.

Finally, click connect. This will complete the integration with Stripe. You can now view the integration dashboard, or start adding Stripe widgets to your dashboards and reports!