{"uid":"cap_21FXqwAKCRIBTJq_0FvZJ","slug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-73a4bb6a","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":"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_J3sbLqInKsgSjUEVA9WE9","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 to assess deliverability.","exampleAgentPrompt":"Can you check whether john.smith@example.com is a real, deliverable email — specifically whether it passes syntax checks, isn't from a disposable provider, and has valid MX, SPF, and DMARC records on the domain?","exampleUseCases":[{"title":"Pre-send lead list email hygiene","prompt":"Before I import these leads into my CRM, can you verify that user@prospectcompany.com is actually deliverable — check MX records, whether it's a disposable address, and whether it's a role account like info@ or noreply@?"},{"title":"Signup fraud prevention check","prompt":"A new user just registered with temp-mail123@guerrillamail.com — can you tell me if that's a burner or disposable email provider and whether the domain even has valid MX records set up?"},{"title":"B2B outreach domain security check","prompt":"I want to send cold outreach to contact@targetbusiness.io — can you first check if the email address is syntactically valid, if the domain has MX records, and whether they have SPF and DMARC configured?"}],"resultDescription":"Returns a structured JSON object indicating email syntax validity, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. info@, admin@), and live DNS lookup results for MX, SPF, and DMARC records, enabling a full deliverability risk assessment.","failureModes":["Missing or malformed email parameter returns validation error","DNS lookup timeout for domains with slow or unresponsive nameservers","Unknown or newly created domains may return incomplete DNS data","Disposable provider lists may not cover every temporary email service","Payment required (HTTP 402) if x402 micropayment not included"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email deliverability check that goes beyond simple syntax validation — specifically when you need live DNS MX/SPF/DMARC verification combined with disposable provider detection and role account flagging in a single API call. Ideal for lead enrichment pipelines, signup fraud prevention, and pre-send email hygiene in B2B or marketing automation contexts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:46.526Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-73a4bb6a"}