Product review
Fingerprint new account fraud prevention review
Fingerprint recognizes returning browser/device activity and supplies Smart Signals for suspicious registrations. Its Rules Engine provides configurable controls alongside visitor identity and signal-level evidence for developers protecting signup flows.
Editorial score
Device identity, Smart Signals and rules
Free access
Up to 1,000 free API calls/month; check features
Paid entry
Pro Plus: 99 US dollars/month for 20,000 web/iOS calls
Key facts
- Signup use case
- Device intelligence helps connect returning visitors to registrations with changed account details. Vendor page ↗
- Trusted output
- Server API retrieves identification events for backend use; private credentials belong on the server. Vendor page ↗
- Rules Engine
- Published enforcement examples include rules and Cloudflare integration. Confirm the required plan and platform entitlement. Vendor page ↗
- Pricing unit
- Pro Plus lists 99 US dollars/month for 20,000 web/iOS requests, then 4 US dollars per 1,000. Android quotas and feature bundles differ. Vendor page ↗
Strengths
- Device identity adds continuity beyond cookies or a changed exit IP.
- Smart Signals and Rules Engine offer more than a single raw visitor identifier.
- Public API entry and a live demonstration make integration evaluation accessible.
Limitations
- A visitor/device identifier is not proof of a unique physical person.
- Verify relevant Smart Signals, rule access and the supported platform rather than assuming the free allowance includes every feature.
- Account eligibility and activation states still require a coherent application workflow.
Who it fits
Developers that need device identity, signal-level inputs and configurable controls in an existing signup or edge workflow.
Use the alternatives by evidence need to compare overlapping device, identity, behavior and automation capabilities.
What the score means
The 9.0 out of 10 score is an editorial assessment under the same 35-criterion, six-category framework. It weighs signup-time evidence, linked accounts, evasion resistance, legitimate-user handling, integration and access.
Editor’s Choice is a separate recommendation. Read all criteria and relative weights and evaluate the entitled product on the registration flow you protect.
How to evaluate it
Test genuine first visits, returning visitors with changed browser state, shared devices and incomplete collection. Inspect the server-retrieved result and the actual rule outcome before account activation.
Public own-visit demo
Shows observed identification and signal examples for your visit. Test the entitled API and enforcement workflow separately in your own application.
Open evaluation routeSources and further reading
- Product and detection approach · checked October 21, 2026
- Pricing and access · checked October 21, 2026
- Integration and result documentation · checked October 21, 2026
- Vendor guide and operational context · checked October 21, 2026
FAQ
Is Fingerprint limited to raw device data?
No. Smart Signals and a Rules Engine are documented alongside visitor identification; confirm your plan’s entitlement.
Does one visitor ID equal one person?
No. It is device/browser evidence. Shared hardware and legitimate related accounts require context.
Are the advertised call quotas identical across platforms?
No. The pricing page distinguishes web/iOS and Android allowances; compare the relevant platform and feature bundle.
Explore checkers, demos and evaluation routes →