{"uid":"cap_t8Ez2uhDThnIk0m5hz1-K","slug":"contact-preflight-c4b0020b","name":"Contact Preflight","description":"Domain-level contact preflight with MX provider, SPF, DMARC and structured risk signals. Does not claim mailbox existence.","url":"https://api.amerosagent.com/v1/contact-preflight?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","required":["email"],"properties":{"email":{"type":"string","description":"Email address to assess"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0GiJw8xkMgmNXZQo1bE-Y","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks domain-level email deliverability signals (MX provider, SPF, DMARC) and returns structured risk scores without verifying mailbox existence.","exampleAgentPrompt":"Before I add john.doe@acmecorp.com to my outreach list, can you run a domain preflight check on it — I want to know the MX provider, whether SPF and DMARC are set up, and what the overall risk looks like?","exampleUseCases":[{"title":"Pre-send email list hygiene","prompt":"I'm about to send a cold email campaign to 500 contacts — can you preflight check sarah.jones@bigretail.com to see if the domain has valid MX records, SPF, and DMARC before I start sending?"},{"title":"CRM lead qualification","prompt":"We just got a new lead with email contact@startupxyz.io — run a domain preflight on it and tell me the risk signals and MX provider before we route it to sales."},{"title":"Fraud risk screening on signups","prompt":"A new user just signed up with the email address user@quickmailer.net — can you check the domain's SPF, DMARC, and MX setup to flag whether it looks like a disposable or high-risk domain?"}],"resultDescription":"Returns structured domain-level signals including the MX provider name, SPF record presence and policy, DMARC policy details, and risk score indicators. Does not confirm whether the specific mailbox exists — only assesses the domain's email infrastructure health and associated risk level.","failureModes":["Invalid or malformed email address returns a validation error","Domain with no MX records may return a high-risk signal or empty MX field","DNS lookup timeout may cause delayed or failed response","Non-existent domain returns an error or maximum risk signal","Missing email query parameter returns a 400 bad request"],"whenToPreferThis":"Use this endpoint when you need lightweight, fast domain-level email risk assessment before sending messages, adding contacts to a CRM, or approving user signups — without needing (or triggering) a full SMTP mailbox probe. Ideal for bulk pre-screening workflows where you want to filter obviously bad or risky domains cheaply before investing in deeper verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T06:39:59.737Z","isFirstParty":false,"canonicalSlug":"contact-preflight-c4b0020b"}