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Sift Stock

Machine Learning Powered Fraud Protection



Notable Investors

First Round Capital


San Francisco CA, US

Total Funding


About Sift Stock

Sift Science, Inc. operates an online platform that aims to enable clients to fight fraud with large-scale machine learning. Its platform monitors clients' site traffic in real-time and alerts them to fraudulent activity. The company enables clients to send events to the company to get fraud scores. Its Java-script snippet within the user's browser gathers on-page activities such as page-views and properties of the user's device whereby on the client's server, clients can use the company’s REST API to report transactions including metadata such as billing zip code, amount, as well as labels.

Over 34,000 sites and apps use Sift. Sift Science, Inc. was founded in 2011 and is based in San Francisco, California. Investors in Sift include Insight Partners, Union Square Ventures, and Spark Capital.


Funding History

November 2012$5.6M
April 2014$18.0M
May 2016$30.0M
March 2018$53.0M
April 2021$63.0M


Chief Executive Officer

Marc Olesen

Founder & Executive Chairman

Jason Tan


Want Your Personal Data? Hand Over More Please

The New York Times - Jan, 11 2020

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