{"uid":"cap_9eiQaD3LlIAO4CUZmLOr6","slug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-d7d4b1f7","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)","url":"https://alpha-stream.agentdiet.dev/v1/email?utm_source=zero.xyz","method":"POST","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_d6heHTHsyfALuiNgbyC_A","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 lookups.","exampleAgentPrompt":"Can you verify whether john.doe@example.com is a real, deliverable email address — check its MX records, whether it's from a disposable provider, and whether SPF and DMARC are set up?","exampleUseCases":[{"title":"Signup fraud prevention filter","prompt":"Before letting this user register, check if the email address they submitted — temp1234@mailinator.com — is from a disposable or burner provider, and whether it has valid MX records at all."},{"title":"B2B outreach list hygiene","prompt":"I have a lead with the email contact@acmecorp.io — can you verify it's syntactically valid, not a role account, and that the domain has proper MX, SPF, and DMARC records before I add it to my outreach campaign?"},{"title":"SaaS email health check before send","prompt":"We're about to send a transactional email to user@startup.dev — can you quickly check if that address is deliverable by looking up its MX records and confirming the domain has SPF and DMARC configured?"}],"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@, noreply@), and live DNS lookup results for MX records (mail server presence), SPF policy, and DMARC policy — giving a comprehensive deliverability and trustworthiness assessment.","failureModes":["Missing or malformed email input returns a 400 validation error","DNS lookup timeouts if the domain's nameservers are unresponsive","Unknown or very new TLDs may not resolve MX records correctly","Payment failure or insufficient balance returns HTTP 402","Disposable provider database may not cover brand-new burner services"],"whenToPreferThis":"Choose this endpoint when you need a single-call, multi-signal email validation that combines syntax checking, live DNS MX/SPF/DMARC lookups, and disposable/role account detection — especially in B2B lead enrichment, signup fraud prevention, or pre-send deliverability checks. It is particularly suited for agent workflows requiring real-time, authoritative DNS verification rather than static blocklist-only checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:47.037Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-73a4bb6a"}