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MoneyTools IDN / Look-alike Domain Checker
x402
MoneyTools IDN / Look-alike Domain Checker is a paid API for AI agents from tools.moneytools.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-11-05).
Detects homograph and look-alike domain attacks by decoding punycode, identifying mixed scripts, Cyrillic/Latin substitutions, and one-letter typos of major brands or crypto wallets.
Price / call$0.001
Success—
StatusUnknown
How this service works
Look-alike domain (homograph) check: Decode punycode, detect mixed scripts and look-alike characters (Cyrillic а vs Latin a) and one-letter typos of major brands/wallets. Anti-phishing for agents. Free tier 10/day; then $0.001 via x402 (HTTP 402 + PAYMENT-REQUIRED) or X-API-Key credits. Not charged on failure. $0.001 USDC per call via x402 on Base. Run by MoneyTools.
Output
A JSON object indicating whether the domain is a suspected homograph or lookalike attack, with details on punycode decoding, mixed script detection, specific look-alike character substitutions found (e.g., Cyrillic 'а' vs Latin 'a'), one-letter typo proximity to known brands/wallets, and payment metadata (whether the free tier was used or a $0.001 USDC charge was made).
Example use cases
Crypto wallet phishing detection
“Before I send funds, check whether 'cоinbase.com' (the one that just appeared in that email) is a lookalike phishing domain using Cyrillic or unicode substitutions — I want to know if it's really Coinbase.”
Brand protection for e-commerce
“Someone is sending emails from 'amаzon-support.com' — can you check if that domain uses any mixed-script or look-alike characters to impersonate Amazon?”
Agent pipeline URL safety check
“My agent received a redirect to 'paypаl.com' — run a homograph and IDN lookalike check on it to see if any characters are Cyrillic substitutes or one-letter typo-squats of PayPal.”
Technical details
Endpoint
GEThttps://tools.moneytools.dev/v1/idn?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to verify whether a domain or URL is a homograph phishing attempt before taking action (e.g., visiting a link, sending crypto, or trusting an email sender). It is specifically designed for IDN/punycode attacks, Cyrillic-Latin character substitution, and typosquatting of major brands and crypto wallets — capabilities not typically found in generic WHOIS or DNS lookup services. Prefer it over general-purpose URL scanners when the concern is visual spoofing rather than malware content.
Side effects
- Missing 'domain' query parameter returns a 400 error — not charged
- Invalid or malformed domain/URL input may return an error — not charged
- Free tier exhausted (10/day) with no payment method results in HTTP 402 Payment Required
- Network issues or service unavailability return 5xx errors — not charged
- Ambiguous IDN input that cannot be decoded returns partial results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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