Index Exchange is an advertising network where website owners earn by showing ads. It is a global supply-side platform and ad exchange that enables media owners to grow their revenue and marketers to reach consumers on any screen.
It is for website owners and publishers who want to earn money from the traffic on their site. Index Exchange has For Publishers, For Streaming TV Publishers and For App Developers solution pages on its site, where publishers can learn about working with the exchange.
To start, visit the official site, create an account, and follow the instructions on the site to add ads to your website. Income is never guaranteed.