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Domain Trust Score & Phishing Verdict
x402
Domain Trust Score & Phishing Verdict is a paid API for AI agents from api.agentstools.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-11).
Returns a composite trust score (0-100), trust category, and per-dimension flags for a domain by fusing RDAP registration age, DNS/mail posture, TLS validity, Certificate Transparency history, and typosquat/homoglyph analysis.
Price / call$0.02
Success—
StatusUnknown
How this service works
Phishing/trust verdict for a website domain before an agent transacts with an unfamiliar merchant. Fuses registration age (RDAP), DNS/mail posture (SPF, DMARC, DNSSEC), TLS validity, Certificate Transparency history and a typosquat/homoglyph analysis into a composite trust score 0-100, a category (trusted / caution / untrusted / unknown), per-dimension flags and reasons. Trust indicators, not a guarantee.
Output
A composite trust score from 0–100, a category label (trusted / caution / untrusted / unknown), and per-dimension flags with human-readable reasons covering domain registration age, SPF/DMARC/DNSSEC posture, TLS certificate validity, Certificate Transparency history, and typosquat/homoglyph similarity analysis.
Example use cases
Example prompt
“Before I pay this merchant, can you check whether checkout.acme-store.co is trustworthy — I want to see the trust score, category, and any red flags like domain age, missing DMARC, or typosquat similarities?”
Technical details
Endpoint
GEThttps://api.agentstools.dev/domain/trust?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to vet an unfamiliar merchant, URL, or domain before executing a payment, visiting a site, or sharing credentials. It is especially valuable when typosquatting or homoglyph attacks are a concern, or when you need a multi-signal composite verdict rather than a single lookup like WHOIS alone.
Side effects
- Domain not found or unresolvable — returns unknown category with limited signal
- Invalid or malformed domain/URL input — returns 400-level error
- RDAP or DNS lookup timeout — partial results with reduced confidence
- Rate limit or payment failure — 402 or 429 response
- Newly registered domain with no CT history — score may default low with sparse signals
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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