Account Kit is being deprecated:
You will be able to retrieve your app's user data for 90 after deprecation, through June 9, 2020. See Retrieving Your User Data.
For more information, see Account Kit services no longer available starting in March.
Learn more about Account Kit and how it works.
Customize the look and feel of the email template to match your app.
A RESTful API specification for creating, reading and updating users in your system.
Access tokens are random strings that give you temporary secure access to our APIs.
See list of country codes supported by Account Kit for phone verification.
See languages supported in the Account Kit user interface.
Answers to frequently asked questions.
People can now receive their verification code on WhatsApp for iOS, Android, and Web.
On Android devices, Account Kit can log some people into your app without requiring them to manually enter an SMS code. See also Reducing SMS Reliance in Account Kit, Introducing Instant Verification for Android.
If SMS delivery fails, people can choose to receive the SMS code in a phone call or, if their phone number is associated with a Facebook account, in a notification.
Learn how implementing Account Kit in apps has improved business and enhanced customer experience. In particular, see the following case studies:
Familonet — 78% global success rate for Account Kit-based phone number verification, 40% increase in customer conversion.
Ingresse — 55% reduction in ticket fraud after integrating Account Kit, 10X more impressions.
Udacity training for Account Kit and Facebook Login.