Trust API will be available to Android developers by year-end if initial tests with “several very large financial institutions” next month goes well. Google intends to use biometrics data like your typing patterns, your current location, and more to strengthen the second layer of authentication with a better, automatic and trustworthy approach. This Trust Score is the new “Trust Score API” or “Trust API” that the company hopes to put in developers’ hands by the end of the year.
Source: https://thehackernews.com/2016/05/android-abacus-trust-api.html