The new service, for now, is available for users of the social app in the US but for fundraisers, in-game purchases, event tickets, purchases on select pages, etc.
"Facebook Pay will begin rolling out on Facebook and Messenger this week in the US for fundraisers, in-game purchases, event tickets, person-to-person payments on Messenger and purchases from select Pages and businesses on Facebook Marketplace. And over time, we plan to bring Facebook Pay to more people and places, including for use across Instagram and WhatsApp," Facebook said.
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To enable Facebook Pay, you will need to go to Settings and then Facebook Pay on the Facebook app and website where you will be asked to link to a payment source. Facebook said it has support for Paypal as well as "most major credit and debit cards".
The social giant said all financial details are encrypted and securely stored. There is an anti-fraud system in place to detect fraud and unauthorised activity. Users can decide for themselves the verification method that they want for payment authorisation. They could use a pin or just use biometrics like Facial recognition or fingerprint.
However, given Facebooks negative reputation for breaches and bunch of privacy related issues, it will take more than just a promise to convince users to trust it as seen with the likes of Google Pay and Apple Pay.
For now, the new service is available for users of the social app in the US though Facebook hopes to expand to other countries over time.