STOP FAKE
SIGNUPS.

The API that scores user quality in 10-40ms. Filter bots, disposable emails, and fraud before they hit your database.

Trusted by SiftlyAPI itself

LIVE INTELLIGENCE

Enter an email to see the trust score and risk factors returned by our API.

RUNNING PIPELINE...

Every signup is analyzed by 4 dedicated processors simultaneously. Results in 10-40ms.

Detects disposable lists, professional patterns, and domain age. We know if it's a burner email.

Identifies VPNs, Proxies, and Tor nodes. Geo-location matching ensures users are where they say they are.

Blocks spam waves instantly. Tracks signup velocity by IP and Domain in real-time.

Analyzes User-Agent anomalies and browser consistency to flag bot traffic.

No hidden fees. Cancel anytime.

$0/mo

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