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Softbot SiteCheck
x402
Softbot SiteCheck is a paid API for AI agents from softbot-sitecheck-mainnet.softbot.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-29).
Analyzes a URL or domain and returns a trust verdict (trustworthy_likely, caution, or risky) with supporting evidence from domain age, DNS records, HTTPS behavior, security headers, phishing/malware lists, brand lookalike detection, and tech fingerprinting.
Price / call$0.003
Success—
StatusUnknown
How this service works
Website trust check: verdict (trustworthy_likely/caution/risky) with reasons from domain age (RDAP), DNS (A/MX/NS), HTTPS reachability and redirect chain, security headers, phishing/malware list snapshots, brand lookalike/typosquat detection, tech fingerprint and page title. Use when an agent is about to open, click, submit credentials or payment to, recommend or trust an unfamiliar URL or website.
Output
Returns a structured verdict — one of trustworthy_likely, caution, or risky — along with the supporting reasons drawn from: domain registration age (via RDAP), DNS record analysis (A, MX, NS), HTTPS reachability and redirect chain, HTTP security header presence, phishing and malware list snapshot matches, brand lookalike and typosquat scoring, technology fingerprint, and the page title. This allows an agent to make an informed trust decision about an unfamiliar URL before interacting with it.
Example use cases
Phishing link check before clicking
“I got an email with a link to https://amazon-account-verify.net/login — can you check if that site is legit or a phishing attempt before I open it?”
Payment page safety check
“I'm about to enter my credit card on https://shopdeals-fastship.com/checkout — can you verify whether that site is safe and trustworthy first?”
Brand impersonation detection
“Someone shared https://micros0ft-support.com with me claiming it's official Microsoft support — can you check if it's a typosquat or lookalike site trying to impersonate a real brand?”
Technical details
Endpoint
POSThttps://softbot-sitecheck-mainnet.softbot.workers.dev/v1/site?utm_source=zero.xyzWhen to prefer
Use this endpoint whenever an agent is about to interact with an unfamiliar URL — before opening a link, submitting credentials or payment details, recommending a site to a user, or trusting content from an unknown domain. It is especially valuable for detecting phishing, typosquatting, and brand impersonation because it combines multiple independent signals (domain age, DNS, HTTPS, security headers, malware lists, and lookalike scoring) into a single actionable verdict, saving the agent from having to query multiple separate APIs.
Side effects
- URL is unreachable or returns a connection timeout, resulting in incomplete HTTPS/redirect analysis
- Domain is too new to have RDAP registration data, reducing age signal confidence
- Site uses heavy JavaScript rendering, limiting page title and tech fingerprint accuracy
- WHOIS/RDAP rate limits may delay or block domain age lookup
- Phishing/malware list snapshots may be slightly stale and miss very recent threats
- Extremely obscure domains may lack NS/MX records, producing ambiguous DNS signals
- Invalid or malformed URL input may return a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | URL or bare domain, e.g. https://example.com/login |
Tags
x402
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