Welcome to Fingerprint Docs

Fingerprint helps teams prevent fraud, improve user experiences, and better understand their traffic.

Fingertip: Press ⌘K anytime to ask AI

 
 
 
 
 
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Smart Signals

Device intelligence to detect bots, VPN usage, and more.

Bots VPN Geolocation more...

Identification

Identify every web and mobile visitor with industry-leading accuracy.

Browsers Mobile devices

Start by framework

Use Fingerprint with your favorite frameworks for web and mobile.

Start by use case

Explore guides for use cases like payment fraud and account sharing prevention.

View all guides

Protect your users

Payment fraud

Reduce fraud. Increase real payments.

Account takeover

Prevent attacks without hurting UX.

SMS fraud

Stop SMS fraud and SMS pumping.

Grow your revenue

Returning user experience

Tailor experiences. Remove friction.

Account sharing prevention

Convert users into paying customers.

Paywall

Eliminate bypass techniques.

New account fraud

Stop repeat signups and trial abuse.

API reference

Explore our server and management APIs or learn everything there is to know about JavaScript agent.

Server API

Management API

JavaScript agent

View API references

Docs — Server API

1 curl --request GET \
2 --url https://api.fpjs.io/events/request_id \
3 --header 'accept: application/json'

Get detailed event information
Fetch events in bulk
Works with your backend: Node.js, PHP, Go, Python, and more

Read Server API docs

Additional resources

Stuck? Reach out to our support team or join the official Discord community.

Contact support

Get expert help from support engineers.

Discord server

Get help in the #ask-ai channel.

Changelog

See what we have shipped.