CNN, one of the most popular news websites in the world, is starting to ask some of its visitors to pay $3.99 a month for access.

CNN has rolled out a paywall and is asking some of its users to pay $3.99 a month for access to its content, the news website said on Tuesday, as it looks to generate a digital revenue stream. The move comes at a time when several publications such as the New York Times have already launched and seen success with subscription models that have helped boost subscriber numbers.

Discovery-owned news operation is putting a paywall on CNN.com, requiring U.S. users to pay $3.99 for access or a discounted rate of $29.99 a year. The subscription will provide unlimited usage of the site,

News outlet Reuters (NYSE:TRI) will introduce a paywall and charge readers who visit the news site and apps, WSJ reported on Tuesday. Earlier in the day, CNN (NASDAQ:WBD) said it will put up a paywall in the U.

CNN has launched a digital paywall and is now charging some users to pay a $3.99 monthly fee to access the site.

CNN executives teed up the CNN.com subscriptions earlier this year. The initial price will be $3.99 per month or $29.99 pr year.