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Got spammers and scammers? Free your digital marketplace from fraud.

From photo sharing sites to online classifieds, crowdfunding platforms to dating sites, we'll help you put the kibosh on all kinds of bad behavior.

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You love your good users. We'll help you help them thrive.

There's no doubt about it: your users are your lifeblood. But malicious users and spammers hurt everyone's experience and deal a major blow to your brand and your bottom line.

That's where we come in. With the power of large-scale machine learning, Sift Science can help you weed out the bad apples that are spoiling the online experience for everyone.

  • Fake Users & Listings

    Did you know that there are an estimated 83 million fake Facebook accounts and one in every 10 dating profiles is fake? Just imagine how many fake accounts are on your site, scamming good users...

  • Payment Fraud

    Users scammed into giving cash to a "good" cause that never existed? What about a fake job application that phishes for information? A single bad experience can turn off a good user forever.

  • One Device, Many Accounts

    Criminals — and crime rings — often capitalize on a single device or IP address. Quickly pinpoint shared connections between accounts to block these fakers fast.

Our unique features

Easy-to-implement APIs and a cloud-hosted solution make for quick, easy, and accurate results.


  • Large-Scale Machine Learning

    Get more accurate fraud prevention with your own custom machine learning model that learns in real-time and gets smarter the more data you send it.

  • Real Time Intelligence

    Accept, block, or review? Know with certainty what action to take, even when it's only seconds between the click of a button and when your business loses to fraudsters.

  • The Network

    We detect fraud across industries, spanning all continents. Just getting started or entering a new market? No problem! Leverage the network effect to stop bad guys before they target your business.

  • Visualizing Fraud Connections

    Fraud happens. When it hits, easily visualize the shared connections between a known fraudster and other users to block bad guys.

Yes, we can take that data


Our solution is fully customizable to your data and fraud detection needs. Know that a <3 included in a profile is more likely to be fraudulent? Seeing the same profile picture repeating? Send any indicator to us for analysis.

Read our integration guide
Fraud Fighting Tip

Know that most fraudulent accounts only wait 2 minutes between account creation and their first post? Send us any data you collect. We analyze thousands of custom signals in real-time.

Wanelo is a mobile-focused marketplace that connects consumers with sellers. It is a unique shopping experience targeting Generation Z that is about community and conversation as much as it is about buying.

View Case Study