{"uid":"cap_dz7Xflv5TmsOWBvaky5zz","slug":"public-data-api-domain-mail-security-x402-f12e40a0","name":"Public Data API – Domain Mail Security (x402)","description":"Jobs from company ATS boards, SEC EDGAR full-text search, domain RDAP/DNS, NHTSA VIN decode + recalls, the CMS NPI Registry and MET Norway weather forecasts. Pay per call in USDC on Solana via x402. Official public sources only.","url":"https://x402-data-api-x6da.onrender.com/v1/domains/mail-security?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"tls":{"type":"boolean"},"domains":{"type":"string","description":"comma-separated, max 20"}}}},"additionalProperties":false}}},"responseSchema":null,"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_Q5E-H9_65Muf0uwGunPty","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up mail security DNS records (SPF, DKIM, DMARC, MX, TLS) for one or more domains, paid per call in USDC via x402.","exampleAgentPrompt":"Can you check the mail security records — SPF, DMARC, MX, and TLS — for acme.com and techcorp.io?","exampleUseCases":[{"title":"Pre-send email deliverability audit","prompt":"Before we launch this email campaign, can you verify that all our sending domains — mailer.mycompany.com, newsletters.mycompany.com — have valid SPF and DMARC records set up?"},{"title":"Vendor security due diligence","prompt":"I need to check the mail security posture of three vendors we're onboarding: vendor-a.com, vendor-b.com, and vendor-c.com — pull their SPF, DMARC, and MX records and flag anything missing."},{"title":"Phishing risk assessment","prompt":"Can you look up whether competitor-brand.com has DMARC enforcement in place? I want to know if someone could spoof emails from their domain."}],"resultDescription":"Returns DNS-sourced mail security information for each requested domain, including SPF record content, DMARC policy and tags, MX host records, DKIM selectors if detectable, and optionally TLS status — enabling assessment of email spoofing protection and deliverability configuration.","failureModes":["Domain not found or does not exist — returns empty or error record","No SPF/DMARC records configured — fields returned as null or absent","Rate limit exceeded for comma-separated bulk list (max 20 domains)","Payment not settled via x402 — 402 response before data is returned","TLS check flag ignored or unavailable for certain providers","DNS timeout for slow-resolving domains"],"whenToPreferThis":"Choose this endpoint when you need authoritative, real-time DNS mail security records (SPF, DMARC, MX, TLS) for one or more domains without managing DNS resolution infrastructure yourself. It is especially useful for bulk checks of up to 20 domains per call at $0.01 USDC per call — suitable for due diligence workflows, deliverability audits, and phishing risk assessments. Prefer alternatives if you need deeper WHOIS registrant data or full RDAP records beyond mail security.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T12:32:10.791Z","isFirstParty":false,"canonicalSlug":"public-data-api-domain-mail-security-x402-f12e40a0"}