How do I replace my email address in a non-hosted, unencrypted PayPal button with my Merchant Account ID?
- Log in to your PayPal account.
- Click Profile > Profile and settings..
- Ensure you are on the My business info option in left column.
- Copy your Merchant Account ID.
- Open the HTML code of the PayPal button in your website and replace your PayPal account email address with your Merchant Account ID.