To automatically add all the leads that you are going to get from your website with the Pagespeed leads iframe integration, you are going to need a Mailchimp API key. Please note that only Agency Plan have the option to connect their MailChimp account.
After you log in, go to your profile (top right corner under your name)
On your profile page, click on the menu Extras and select API keys option.
On the API keys page, scroll until you see “Your APIs Keys” section and click on “Create A Key”:
Give a clear label name so you can remember where you are using the key. Copy your API key and keep it safely.
Create a list if you don’t have one or you want to create a specific one for PSL. Click on List on the top left menu:
and click on Create List Button:
Give it a name and you are done with MailChimp.
Copy your API key into your Agency profile on PageSpeed Leads Profile page:
After you entered your key, PSL will automatic called your MailChimp list. From the drop down menu, you can select the list. You can also refresh the list by clicking on the round arrow:
That’s it! You have now configured MailChimp with PageSpeed Leads Application.
If you didn’t have create your Google Insight API key, follow the instruction here: https://pagespeedleads.com/get-your-google-api-key/