Tracking visitors across multiple domains can be helpful in proactively mitigating fraud. With a single FingerprintJS subscription, a browser can be identified as it visits multiple domains.
i.e. dogs.com ←
visitorId: abc123 → cats.com
If you wish to query the FingerprintJS Server API by domain name, the linkedId feature can be used.
If using Subdomain Integration on your domains, do not copy/paste the same snippet across multiple sites without first verifying the
visitorId. For example, do not use
fp.dogs.comas the endpoint on
Updated 4 months ago