Fingerprint (formerly FingerprintJS) is a device-identification fraud API with VPN/proxy/incognito detection as "Smart Signals." IP-Atlas is a pure IP-data API. Different categories, but they land on the same shortlist because both answer "is this visitor legit?" — at very different price points.
Pricing verified from fingerprint.com/pricing as of 2026-04-22.
Client-side JavaScript agent that fingerprints the device (browser, hardware, network signals) and returns a stable visitor ID plus a bundle of "Smart Signals" (VPN, Tor, incognito, bot, IP blocklists). Pro Plus tier starts at $99/mo for 20,000 identifications. Used by marketplaces, fintech, sportsbooks for account-takeover and multi-account detection.
Server-side REST API that takes an IP and returns geolocation, ASN, organisation, VPN flag, datacenter flag. No JS agent on the client. Free tier 2K/day with card; Developer $19/mo for 2M. Used by everything that just needs to answer the IP-level question without paying for device fingerprinting.
Data verified from fingerprint.com public pricing, as of 2026-04-22. Not endorsed by Fingerprint.