Heroku is a cloud platform that lets companies build, deliver, monitor, and scale applications - we're the fastest way to get from idea to URL, bypassing all those infrastructure headaches. "The App for That" Only a few years ago, a splashy marketing campaign introduced the world to a new relationship with our phones. Now, apps are a way of life for most of us. Whether mobile or web, apps and their underlying APIs are how we manage our lives, make purchases, socialize, stay current, and engage with our customers.