{"uid":"cap_yJJn6FWXQzL2MdMYb1jo5","slug":"mail-provider-detect-1ad66379","name":"mail-provider-detect","description":"Mail provider detection for a domain: the primary inbound provider from MX (Google Workspace, Microsoft 365, Proofpoint, Zoho, Proton, iCloud, GoDaddy, IONOS...) and the sending services authorised in SPF (SendGrid, Mailchimp, Salesforce, Zendesk, HubSpot, Marketo...). Vendor intelligence and deliverability context. $0.01 per domain.","url":"https://intel.rallylive.ca/dns/mail-provider","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_r225082oAdiWkYtkIgLYX","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":"Detects the primary inbound mail provider from MX records and all sending services authorized in SPF for any domain, with vendor intelligence and deliverability context.","exampleAgentPrompt":"What email provider does acme.com use — is it Google Workspace, Microsoft 365, or something else — and which sending services like SendGrid or Mailchimp are authorized in their SPF record?","exampleUseCases":[{"title":"Sales prospecting email stack research","prompt":"Before I reach out to stripe.com, can you tell me what mail provider they use and which marketing or CRM platforms like HubSpot or Salesforce are in their SPF record? I want to know what tools their team is running."},{"title":"Email deliverability audit for a client domain","prompt":"I need to check what inbound mail provider and authorized sending services are configured for hubspot.com — look at their MX and SPF records and tell me the vendor breakdown."},{"title":"Competitor email infrastructure analysis","prompt":"Can you figure out what email infrastructure shopify.com is using — specifically their primary mail provider and any email tools like Marketo, Zendesk, or Mailchimp they've authorized to send on their behalf?"}],"resultDescription":"Returns the primary inbound mail provider identified from MX records (e.g. Google Workspace, Microsoft 365, Proofpoint, Zoho, Proton, iCloud, GoDaddy, IONOS), plus a list of sending services authorized in the domain's SPF record (e.g. SendGrid, Mailchimp, Salesforce, Zendesk, HubSpot, Marketo), along with vendor intelligence and deliverability context for the domain.","failureModes":["Domain does not exist or has no MX records — returns empty or null provider","Domain has no SPF record — authorized senders list is empty","Unknown or obscure mail provider not in vendor database — returns raw MX hostname without vendor label","Malformed domain input — returns validation error","Payment failure via x402 — request rejected before processing"],"whenToPreferThis":"Choose this endpoint when you need to identify the specific email provider and authorized sending tools for a domain, particularly for sales intelligence, email deliverability audits, or competitive research. It is more focused and vendor-aware than a raw DNS lookup, returning human-readable provider names rather than raw hostnames. Prefer this over a general DNS lookup when you specifically care about mail provider vendor identity and the sending services in SPF.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:09:51.213Z","isFirstParty":false}