{"uid":"cap_hfOTMMcHSpmHbo6XgSB6q","slug":"is-email-hosted-by-sendgrid-f05e3e0d","name":"is-email-hosted-by-sendgrid","description":"Is the domain's email hosted by sendgrid? Looks up the MX records (Cloudflare DoH) and matches them against sendgrid's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","url":"https://email.intel.rallylive.ca/email/hosted-by/sendgrid?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"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_ZlkSe2Oqzg6aRfgL0b77W","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":"Checks whether a domain's email is hosted by SendGrid by looking up its MX records via Cloudflare DoH and matching against SendGrid mail-exchanger patterns, returning a yes/no result with matched hosts.","exampleAgentPrompt":"Can you check if acme.com uses SendGrid to host its email — look up its MX records and tell me whether it matches SendGrid's mail-exchanger patterns?","exampleUseCases":[{"title":"Sales prospecting email stack detection","prompt":"Before I reach out to this lead at stripe.com, can you check if they use SendGrid for their email so I know which email provider they're running on?"},{"title":"Migration compatibility check","prompt":"We're planning to migrate our client's email to a new provider — can you confirm whether their domain, clientbrand.io, is currently hosted by SendGrid?"},{"title":"Deliverability audit for a partner domain","prompt":"I'm troubleshooting deliverability issues and need to know if partnerdomain.com routes their email through SendGrid — can you check their MX records?"}],"resultDescription":"Returns a boolean indicating whether the domain's email is hosted by SendGrid, along with the full list of MX hosts discovered and which specific MX records matched SendGrid's known mail-exchanger patterns.","failureModes":["Domain does not exist or has no MX records — returns no match with empty MX list","Cloudflare DoH lookup timeout or DNS resolution failure","Domain uses a SendGrid-like MX pattern not yet in the matcher — false negative","Malformed domain input causing lookup failure","Payment not processed — 402 response requiring x402 payment of $0.01 USDC"],"whenToPreferThis":"Use this endpoint when you need a fast, single-domain check for SendGrid as the email hosting provider, particularly for sales intelligence, deliverability auditing, or pre-migration discovery. Prefer this over generic DNS tools when you want a pre-built, pattern-matched SendGrid-specific result without writing your own MX parsing logic. For bulk checks across many domains, consider the sibling bulk endpoint instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:50:11.263Z","isFirstParty":false,"canonicalSlug":"is-email-hosted-by-sendgrid-f05e3e0d"}