{"uid":"cap_d7Xkd-47-Dx2PspjNC6Gh","slug":"grey-ridge-signals-domain-enrichment-api-f35bafb6","name":"Grey Ridge Signals — Domain Enrichment API","description":"Agent-native pay-per-call data on Base (USDC via x402). No API keys, no signup. Discovery: /.well-known/x402","url":"https://x402-data-api.sigrunner.workers.dev/enrich/domain","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"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"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QQuTGaabWLRVbvvAoE1rg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns DNS records, SSL certificate details, organization info, detected tech stack, subdomains, and a threat verdict for a given domain name","exampleAgentPrompt":"Can you look up everything you can find about the domain suspicious-site.xyz — DNS records, subdomains, SSL certs, what tech it runs, and whether it looks safe?","exampleUseCases":[{"title":"Phishing domain triage","prompt":"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."},{"title":"Competitor tech stack research","prompt":"What technology is competitor-brand.com running under the hood? Check their tech stack, hosting details, and any subdomains you can find."},{"title":"Third-party vendor due diligence","prompt":"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?"}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:34:37.816Z","isFirstParty":false}