Fingerprinting API to Block Spoofers
Whether you are a marketing team, freelancer or SaaS founder, fingerprinting API to block spoofers is critical for controlling your digital identity. It’s the difference between being able to test your site, run competitive intelligence and get offers accepted on your product. It’s also how you avoid getting blocked by anti-fraud systems that use fingerprinting to detect bots and headless browsers.
There are several tools on the market to help spoof fingerprints, but they tend to have strengths and weaknesses. Most of them (for example, puppeteer-extra-plugin-stealth) rely on obscurity to hide your identity, but they may not be able to mask all signals. Additionally, they can easily be caught by fingerprinting solutions that compare UA strings and other data points to known spoofed fingerprints.
Fingerprinting API to Block Spoofers: Advanced Fraud Detection Techniques
On the other hand, there are native spoofing tools that attempt to change fingerprinting attributes at a deep level. For example, some browsers, like Mimic, make a point of adding noise to certain attributes in order to confuse canvas fingerprinting. This kind of spoofing is not yet undetectable, but it’s still very difficult to develop and maintain.
Stytch uses an extensive set of signals and fingerprints to determine if a user is authentic. The Lookup API allows you to look up a Telemetry ID and return a report of the Stytch view of that user, including signals, fingerprints and warning flags, along with a verdict of allow, block or challenge. This information is also accessible through the Stytch dashboard, giving you full insight into each of your visitors and why a particular decision was made for them.
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