{"uid":"cap_Qj5euR1KmNeCSnpAfYZ1Z","slug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-e976928c","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://alpha-stream.agentdiet.dev/v1/email-check)","url":"https://alpha-stream.agentdiet.dev/v1/email-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","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":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DhS75xRa5Y0dqLuxNyTPr","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"alpha-stream.agentdiet.dev","brandSlug":"alpha-stream-agentdiet-dev-mpp","brandBaseUrl":"https://alpha-stream.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role-account detection, and live DNS MX, SPF, and DMARC record presence.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a valid, deliverable email — specifically whether the domain has working MX records, passes SPF and DMARC, and isn't a disposable or role address?","exampleUseCases":[{"title":"Pre-signup email gating","prompt":"Before we create an account for the user who entered signup@mailinator.com, check if that email is real and deliverable or if it's a disposable burner address we should reject."},{"title":"B2B lead list hygiene","prompt":"I scraped a list of leads and want to start with info@techcorp.io — can you verify whether that email has valid MX records, is a role address, and whether the domain has SPF and DMARC configured?"},{"title":"Email campaign deliverability check","prompt":"We're about to send a campaign to newsletter@startup.dev — can you confirm the domain's mail records are set up properly with MX, SPF, and DMARC so our emails won't bounce or land in spam?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain has live MX records (meaning it can receive email), whether SPF and DMARC DNS records are present, whether the address belongs to a known disposable/burner email provider, and whether it is a role-based address (e.g. info@, support@, admin@).","failureModes":["Malformed or missing email parameter returns a validation error","DNS lookup timeouts for slow-responding mail servers may produce inconclusive MX results","Newly registered domains may lack MX/SPF/DMARC records even for legitimate addresses","Disposable provider lists may not include very new or obscure burner services","Non-existent TLDs or syntactically impossible addresses return immediate syntax failure"],"whenToPreferThis":"Use this endpoint when you need a comprehensive, single-call check covering email syntax, live DNS deliverability (MX), domain authentication posture (SPF/DMARC), and spam-risk signals (disposable/role) — especially during user onboarding, lead enrichment, or pre-campaign hygiene workflows where you want to avoid wasting sends on undeliverable or fraudulent addresses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:57.645Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-73a4bb6a"}