November 12, 2015 - sendMessage now sends a message to a single device when deviceId is specified.
November 10, 2015 - New Github repo available with samples using the Leanplum API.
October 31, 2015 - New exportUsers API allows you to export a list of users for a segment, or a list of users and their variant given an A/B test ID.
August 3, 2015 - Increased the maximum number of event parameter and user attribute names to 200 each per app.
July 24, 2015 - New method, exportReport, to export report data.
June 19, 2015 - New postback API methods.
January 14, 2015 - New content read-only methods, getAbTests, getAbTest, and getVariant give you information about your A/B tests.
November 12, 2014 - Updated sendMessage API to allow you to provide custom values to insert into the message.
August 7, 2014 - Updated API to better handle logging in. Also, device ID is no longer required for most API calls.
July 14, 2014 - The API now returns the variant IDs associated with a user in the start and getVars API calls.
March 18, 2014 - Added sendMessage API method for sending push notifications to individual users.
February 23, 2014 - Added exportData and getExportResults API methods for exporting data.
August 29, 2013 - Added the ability to track "offline" events. These are events that may occur outside of a session. They are useful for analyzing things that happen to users, rather than for seeing what a user does.