# How to Integrate Customer.io with Popupsmart for Popups

If you would like to use Customer.io for automated SMS and email marketing and looking for a simple way to grow your list, a Customer.io popup is what you need. Popupsmart popup builder can seamlessly integrate with Customer.io and allow site owners to create Customer.io popups in just a few minutes.

Below, you will find detailed, step by step Popupsmart - Customer.io integration instruction and learn how to create a Customer.io popup easily.

1. Register to Popupsmart/Log in.

Learn Popupsmart setup here.

Popupsmart login

2. Create a new popup.

Click here for a guide on creating your first popup.

Learn basics

3. Give your campaign a name & choose a domain.

create popup campaign

4. Customize your popup, set up the display settings, and go to “Publish.”

customize your popup

5. Click on “Integrations” and select Customer.io.

select customer.io

6. Login to your Customer.io account.

Customer IO Login

7. Go to Account Settings.

Account settings

8. Click on “API Credentials.”

customer.io API

9. Copy the API Key.

copy API key

10. Go back to Popupsmart and paste the copied API key into the API box.

paste API key

11. Copy the Site ID from Customer.io.

copy site ID

12. Paste it into the Site Id box on the popup builder.

paste site ID

13. Give your campaign a name, turn the status toggle on, and fill out the remaining fields.

fill remaining fields

14. Save & publish your Customer.io Popup.

save and publish

Do you have further questions about customer.io integration with Popupsmart? Mail Us!