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Grey Ridge Signals — Domain Enrichment API
x402
Grey Ridge Signals — Domain Enrichment API is a paid API for AI agents from x402-data-api.sigrunner.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns DNS records, SSL certificate details, organization info, detected tech stack, subdomains, and a threat verdict for a given domain name
Price / call$0.01
Success—
StatusUnknown
How this service works
Agent-native pay-per-call data on Base (USDC via x402). No API keys, no signup. Discovery: /.well-known/x402
Output
A JSON object containing: DNS records (A, NS, and possibly others), a list of discovered subdomains, SSL/TLS certificate details (issuer, common name, validity window), detected web tech stack, the registrant or hosting organization, and a plain-English threat verdict (e.g. 'clear') summarizing the domain's risk posture.
Example use cases
Phishing domain triage
“I just got an email from invoices-payroll-secure.net — can you check whether that domain looks legitimate or suspicious? I want to see its DNS, certificates, and a safety verdict.”
Competitor tech stack research
“What technology is competitor-brand.com running under the hood? Check their tech stack, hosting details, and any subdomains you can find.”
Third-party vendor due diligence
“Before we integrate with vendor-api.io, can you pull up their domain info — who operates it, what their SSL cert looks like, and whether anything looks off?”
Technical details
Endpoint
GEThttps://x402-data-api.sigrunner.workers.dev/enrich/domainWhen to prefer
Choose this endpoint when you need a quick, pay-per-call domain intelligence snapshot without API key onboarding. It is ideal for ad-hoc agent workflows that need DNS, certificate, tech stack, and threat verdict data in a single call. Prefer it over heavier OSINT platforms when you want frictionless access, on-chain micropayment billing via x402 on Base, and no subscription commitment. Best for cybersecurity triage, vendor due diligence, and competitive reconnaissance tasks within agentic pipelines.
Side effects
- Domain not found or unresolvable — empty or null DNS fields returned
- Invalid domain format supplied — likely a 400-level error or empty response
- Domain has no discoverable subdomains — subdomains array returned empty
- SSL certificate lookup fails for domains without HTTPS — certificates array empty
- Payment not fulfilled via x402 — 402 response requiring USDC payment on Base before data is returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"dns": {
"A": [
"93.184.216.34"
],
"NS": [
"a.iana-servers.net."
]
},
"domain": "example.com",
"verdict": "clear",
"subdomains": [
"example.com",
"www.example.com",
"mail.example.com"
],
"tech_stack": [
"nginx"
],
"certificates": [
{
"issuer": "C=US, O=Let's Encrypt, CN=R3",
"valid_to": "2025-04-01T00:00:00Z",
"valid_from": "2025-01-01T00:00:00Z",
"common_name": "example.com"
}
],
"organization": "Internet Assigned Numbers Authority"
}
}Tags
x402
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