The Washington Post said it will enact a paywall on its website starting June 12.
Readers will have to pay $9.99 per month to access more than 20 articles a month.
The Post said readers who follow links from search engines or other websites can access the linked page regardless of the 20-article quota.
Home subscribers, students, teachers, government and military employees will have free access.
Videos and section front pages will also be free.
Publisher Katharine Weymouth left the door open to changes. "There is going to be a great deal of experimentation ahead to strike the right balance between ensuring access to critical news and information and building a sustainable business," she said in a "publisher's letter" on the site today.
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