{"uid":"cap_wkK5pppow9oEVTgdeX-0b","slug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-fc0ebe67","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/mx-deliverability-verifier)","url":"https://alpha-stream.agentdiet.dev/v1/mx-deliverability-verifier?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_5J_T9BpnDL9_F6FmHPq3s","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 checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — look up its MX, SPF, and DMARC records and flag it if it's a disposable or role address?","exampleUseCases":[{"title":"Screening sign-up emails for fraud","prompt":"Before I activate this new account, can you verify that the email address user@tempmail.io is legitimate and not a disposable or burner address, and check whether its domain has valid MX records?"},{"title":"B2B lead list email hygiene","prompt":"I've got a sales lead with the email contact@prospectcorp.com — can you check if it's a real deliverable address, whether it's a role account, and whether the domain has proper SPF and DMARC DNS setup?"},{"title":"Pre-campaign deliverability audit","prompt":"Before I send my newsletter, can you validate newsletter@myclientdomain.org for syntax errors, check that its MX records are live, and confirm the domain has SPF and DMARC policies in place?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. info@, support@), and live DNS lookup results for MX, SPF, and DMARC records — giving a comprehensive deliverability assessment.","failureModes":["Missing or malformed email parameter returns a validation error","Domain has no MX records, indicating undeliverable address","DNS lookup timeout for slow or non-responsive nameservers","Ambiguous disposable provider status for lesser-known temporary email services","Payment required error (HTTP 402) if x402 micropayment is not provided"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, live DNS-backed email validation that goes beyond simple syntax checking — especially when you need to detect disposable/burner addresses, role accounts, and verify SPF/DMARC policies in a single call. Prefer it over basic regex validators when data quality, fraud prevention, or email deliverability are critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:59.493Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-73a4bb6a"}