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Polyform Domain Brand Protection API
x402
Polyform Domain Brand Protection API is a paid API for AI agents from api.polyform.org, paid per call via x402, $0.15/call, status unknown (last checked 2026-10-02).
Detects lookalike/typosquat domains targeting a brand and assesses phishing and email threat levels
Price / call$0.15
Success—
StatusUnknown
How this service works
Pay-per-call data endpoints for AI agents. USDC on Base via x402. No account, no API key — one micropayment per call.
Output
Returns a JSON object containing the queried domain, a list of discovered lookalike domains (each with live status, age in days, mail capability, and the lookalike domain name), total count of mail-capable lookalikes, a threat level classification (e.g. ELEVATED), the number of candidate domains tested, and the total count of registered lookalikes.
Example use cases
Brand threat assessment before product launch
“We're about to launch our new product under acmecorp.com — can you scan for any lookalike domains that squatters may have registered to impersonate us and tell me which ones could be used to send phishing emails?”
Ongoing phishing domain monitoring
“Check mybankdomain.com for any typosquatted or lookalike domains that are currently live and mail-capable — I want to know the threat level so I can decide whether to file takedowns.”
Security audit for customer-facing domain
“Run a brand protection scan on shopwidget.com and give me a list of lookalike domains that have been registered, how old they are, and whether any of them are able to send email.”
Technical details
Endpoint
GEThttps://api.polyform.org/v1/domain/brand-protection?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need fast, pay-per-call brand protection intelligence without setting up an account or API key. Ideal for agents that need on-demand typosquat and phishing domain detection for any domain, especially when micropayment-based access (USDC on Base via x402) is preferred over subscription plans. Best suited for one-off checks, periodic audits, or integrating domain threat assessment into automated security workflows.
Side effects
- Missing or invalid domain input returns a 400 error
- Payment not received or insufficient USDC causes a 402 payment required response
- Domain not found or no lookalikes discovered returns an empty lookalikes array
- Malformed domain string may cause validation errors
- Rate limiting or upstream data unavailability may cause 503 responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"domain": "example.com",
"lookalikes": [
{
"live": true,
"domain": "examp1e.com",
"ageDays": 120,
"mailCapable": true
}
],
"mailCapable": 2,
"threatLevel": "ELEVATED",
"candidatesTested": 38,
"registeredLookalikes": 6
}
}Tags
x402
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