Here are the steps to verifying your Square website by adding a meta tag to your home page's header. Make sure to grab your verification meta tag provided in the email from Kliken:
<meta name="google-site-verification" content="SOMESTRINGGOESHERE" />
1. Login at https://squareup.com/login
2. Once logged in click Online icon
3. Next, Click Websites --> Integration on the left side menu
4. Under Google Verification, paste the full HTML meta tag provide in your checklist and/or email from us.