Stop fraud and improve user experience with the Fingerprint visitor identification and Smart Signals. Start your free trial and get 14 days of unlimited API calls.
{
"visitorId": "undefined",
"confidence": { "score": undefined },
"botInformation": { ... },
"incognito": undefined,
"ip": "undefined",
"ipLocation": { ... },
"firstSeenAt": { ... },
"lastSeenAt": { ... }
}Highest identification accuracy using fingerprinting, fuzzy matching and server-side techniques.
Fingerprint's visitor identifier remains the same for months, even as browsers are upgraded.
Identify devices in native iOS and Android applications in addition to browsers.
Receive instant notifications delivered securely to your backend systems.
Integrate into your server-side business rules or signup process.
Get started with a 14-day free trial and generate your API keys.
Install the JavaScript agent and then add the code snippet to your pages.
Use your own domain with Fingerprint to improve accuracy.
Fingerprint provides SDKs built with best practices for the most popular client- and server-side frameworks and third party service providers.