{"uid":"cap_fp473z5qlXmS_oxXEgAbz","slug":"scout-packs-mail-provider-lookup-bb36ca09","name":"Scout Packs Mail Provider Lookup","description":"Verified B2B lead packs and per-lead enrichment lookups for agents. $0.01 per lookup or pack (demand probe). USDC on Base via x402. No account, API key, or subscription.","url":"https://scout-packs-production.up.railway.app/mail-provider?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":["domain"],"properties":{"domain":{"type":"string","description":"Domain to identify the email provider for (e.g. 'acme.com')."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"domain":{"type":"string"},"gateway":{"type":"string"},"receipt":{"type":"string"},"signals":{"type":"array"},"mx_hosts":{"type":"array"},"provider":{"type":"string"},"confidence":{"type":"string"},"is_gateway":{"type":"boolean"},"multi_provider":{"type":"boolean"}}}}}}},"responseSchema":{"type":"json","example":{"domain":"acme.com","gateway":"","receipt":"ok","signals":[],"mx_hosts":["aspmx.l.google.com"],"provider":"Google Workspace","confidence":"high","is_gateway":false,"multi_provider":false}},"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_HOjpgTyEvQ86nU3oHzxX_","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":"Identifies the email provider (e.g. Google Workspace, Microsoft 365) for a given domain by inspecting MX records and signals.","exampleAgentPrompt":"What email provider does stripe.com use? I want to know if they're on Google Workspace, Microsoft 365, or something else, and whether they route through a gateway.","exampleUseCases":[{"title":"Qualify leads before outreach campaign","prompt":"Before I start my email campaign, can you check what mail provider hubspot.com uses? I need to know if it's Google Workspace or Microsoft so I can tailor my sending strategy."},{"title":"Detect email gateway for deliverability research","prompt":"Does salesforce.com route their email through a third-party gateway like Proofpoint or Mimecast? Check their mail provider and tell me if is_gateway comes back true."},{"title":"Enrich a prospect list with email infrastructure","prompt":"I have a prospect domain — notion.so — can you look up their email provider and confidence level so I can add that to my CRM record?"}],"resultDescription":"Returns a JSON object containing the domain, detected email provider name (e.g. 'Google Workspace', 'Microsoft 365'), list of MX hosts, whether the domain uses an email gateway, whether multiple providers are detected, a confidence level ('high'/'medium'/'low'), and a receipt field confirming the lookup completed.","failureModes":["Domain has no MX records — provider may be returned as unknown or empty","Domain uses an obscure or self-hosted mail server not in the provider database — low confidence result","Invalid or malformed domain input — may return an error or empty result","Domain uses a forwarding-only setup — may be misidentified as a gateway"],"whenToPreferThis":"Use this endpoint when you need to identify the email provider or infrastructure behind a specific business domain — especially useful for B2B sales enrichment, deliverability research, or routing decisions before email outreach. Prefer this over raw DNS lookups when you want a parsed, human-readable provider name with confidence scoring rather than raw MX record strings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:46:52.022Z","isFirstParty":false,"canonicalSlug":"scout-packs-mail-provider-lookup-bb36ca09"}