After installation, Vista displays dummy data by default, so you can start building without committing to any purchase. Once you’re ready to display live data, you first must purchase a subscription from your desired MLS. The MLS will give you an API key, which you can enter on the MLS activation page. Once we receive this information, our team will get in contact with your local MLS provider and set up a data feed for your website. Once we have set everything up, we will email you with further instructions.