WhatsApp starts payments in Brazil: Sign of things to come?

Facebook's WhatsApp chat platform is launching mobile payments in Brazil, a country often used to test out new services because of its large online population

WhatsApp said in a blog post Monday that users in Brazil will now be able to send money securely, or make a purchase from a local business, without leaving their chat.

WhatsApp Pay will be free for using to make purchases and send money. Facebook will charge a 3.99% processing fee per transaction to businesses.

Facebook did not say when the tool may be available in other countries, just that it is looking “forward to bringing it to everyone as we go forward.”

The mobile payments push is part of Facebook's strategy to expand to new sources of revenue beyond advertising.