Account Kit is being deprecated:

  • On September 9, 2019, no new apps will be able to integrate Account Kit, but existing integrations will continue to function.
  • On December 9, 2019, the daily SMS limit will be reduced to 1,000 messages per app ID per day. All other channels (including WhatsApp) will continue to function without restrictions.
  • On March 9, 2020, Account Kit will be deprecated and will no longer function.

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.

Account Kit

Account Kit lets people quickly register for and login to your app by using just their phone number or email address — no password needed. It's reliable, easy to use and gives you a choice about how you sign up for apps.

Essential Guides


Learn more about Account Kit and how it works.

Customizing Email

Customize the look and feel of the email template to match your app.

Using the Graph API

A RESTful API specification for creating, reading and updating users in your system.

Access Tokens

Access tokens are random strings that give you temporary secure access to our APIs.

Supported Country Codes for Phone Verification

See list of country codes supported by Account Kit for phone verification.

Supported Languages

See languages supported in the Account Kit user interface.


Answers to frequently asked questions.

Product Updates

WhatsApp Verification

People can now receive their verification code on WhatsApp for iOS, Android, and Web.

Instant Verification

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.

Two Backup Methods for SMS

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.

Business Results

Success Stories

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.