LayerCall

LayerCall

Score a whole signup for fraud in one API call

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Most fraud tools answer one question at a time: is this IP a VPN, is this email disposable, is this phone real. LayerCall returns IP, email, phone, domain and device together, plus the relationships between them, which is where fake signups actually show up. Every response carries a 0-100 score, an allow/review/block verdict, and the individual signals behind it, so a decision can be explained rather than only made. It also verifies AI agents by signature. Free tier, no card.

LayerCall

Launch date
LayerCall Free Email-DNS Tools
LayerCall Free Email-DNS ToolsFree DMARC, SPF and MX checkers — no signup, no card

Launched on September 6th, 2026

LayerCall
LayerCallScore a whole signup for fraud in one API call

Launched on August 19th, 2026