Browser fingerprinting API alternatives
Choose the output and responsibilities your application needs, then compare the entitled product.
Identity with account-risk context
Compare identity relationships, named risk reasons, account-event association and operational access. Confirm which product and plan supplies the fields you need.
Hosted visitor identity
Inspect matching, server evidence, confidence, retention and the trusted result path. Keep local collection and the hosted identity service distinct.
Open-source browser collection
Source access gives implementation visibility. Your team still needs the required matching, integrity, event association, monitoring and maintenance.
Broader network and request-path protection
A network-informed risk engine and request-path mitigation can protect adjacent layers. Verify reusable identity fields rather than assuming the decision is a drop-in visitor ID.
Compare all ten options
| Rank | Tool | Score / 10 | Detection approach | Result | Free access | Paid entry | Source |
|---|---|---|---|---|---|---|---|
| 1 | ShieldLabsEditor’s Choice | 9.5out of 10 | Browser identity with account-risk context | Device ID, Visitor ID, risk context and High-Risk Events | 5,000 free identifications | 99 US dollars/month for 25,000 identifications | Vendor page |
| 2 | Fingerprint | 9.2out of 10 | Hosted browser and device intelligence | Visitor ID, confidence and entitled Smart Signals | Up to 1,000 API calls/month; Pro Plus trial | Pro Plus: 99 US dollars/month for 20,000 API calls | Vendor page |
| 3 | SEON | 8.6out of 10 | Device intelligence with fraud enrichment | Device context, fraud scores and workflow evidence | Trial request | Starter: 699 US dollars/month for 2,500 fraud checks | Vendor page |
| 4 | Castle | 8.4out of 10 | Browser/device signals for account security | Device evidence, risk scores and policy outcomes | 5 US dollars API usage/month: up to 1,000 Risk API calls | Pro: 200 US dollars/month, including 40,000 Risk API calls | Vendor page |
| 5 | IPQualityScore | 8.2out of 10 | Device fingerprinting and network intelligence | Device identifiers and fraud-risk context | Free account and lookup access; confirm device entitlement | Device-fingerprinting scope and plan must be confirmed | Vendor page |
| 6 | DataDome | 8.0out of 10 | Request-path bot and automation protection | Traffic classifications and mitigation decisions | Sales-assisted trial or demo | Essentials: 3,830 US dollars/month; higher plans and account protection differ | Vendor page |
| 7 | LexisNexis ThreatMetrix | 7.8out of 10 | Networked digital identity and risk decisioning | Digital identity and network-informed risk decisions | Tailored demo; no public self-serve free API quota | Custom quote | Vendor page |
| 8 | Verisoul | 7.6out of 10 | Browser identity and fake-account detection | Match probabilities, account links and fraud context | Advertised 30-day trial; current CTA opens a demo request | Custom scope; pricing page redirects to a demo | Vendor page |
| 9 | FingerprintJS (open source) | 7.4out of 10 | Self-hosted browser fingerprint library | Client-generated visitor identifier and components | Open-source library | No hosted subscription for the library; operating work is yours | Vendor page |
| 10 | ThumbmarkJS | 7.2out of 10 | Open-source collection with hosted identity option | Local thumbmark or hosted Visitor ID with server signals | Open-source library; hosted free tier of 1,000 API calls/month | Pro: 15 euros/month for 15,000 API calls, excluding VAT | Vendor page |
Scores are editorial assessments under the 40-criterion rubric. Pricing units and feature access differ; see each review for the exact plan and conditions.