{"uid":"cap_bx8X3J6ojPmhtL-ipt9Ut","slug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-d2a7701a","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://email-verify.agentdiet.dev/a2a)","url":"https://email-verify.agentdiet.dev/a2a?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":"0.005000","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.005000/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005000","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005000","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_LplSgp4RSpSs7vMvdV6PE","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005000","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"email-verify.agentdiet.dev","brandSlug":"email-verify-agentdiet-dev-mpp","brandBaseUrl":"https://email-verify.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX/SPF/DMARC record presence.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — including whether the domain has valid MX records, isn't from a disposable provider, and passes SPF and DMARC checks?","exampleUseCases":[{"title":"Lead list email hygiene","prompt":"Before we import this lead list, can you verify that sarah.jones@prospectco.com is a real deliverable address — check its MX records, make sure it's not a burner or role account, and confirm the domain has SPF and DMARC set up?"},{"title":"Signup fraud detection","prompt":"A new user just registered with the email temp-mail-99@guerrillamail.com — can you check if that's a disposable or throwaway address before I let them into the platform?"},{"title":"Cold outreach pre-send audit","prompt":"I'm about to send a cold email to ceo@bigcorp.io — can you verify it's syntactically valid, the domain has working MX records, and it's not flagged as a role or generic inbox?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the address belongs to a known disposable/burner email provider, whether it is a role account (e.g. admin@, info@), and the live DNS status of MX, SPF, and DMARC records for the email's domain — collectively indicating overall deliverability health.","failureModes":["Invalid or missing email parameter returns a validation error","DNS lookup timeout if the domain's nameservers are slow or unresponsive","Unknown disposable provider status if the domain is too new to be in blocklists","Generic 500 error if upstream DNS resolution fails","Rate limiting or payment failure (HTTP 402) if x402 payment is not properly handled"],"whenToPreferThis":"Choose this endpoint when you need a multi-signal email validation that goes beyond simple syntax checking — specifically when you need live DNS MX/SPF/DMARC verification combined with disposable provider and role account detection in a single call. Ideal for lead enrichment pipelines, signup fraud prevention, and pre-send deliverability audits where knowing whether a domain is actually configured to receive mail matters as much as whether the address looks valid.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:33:52.277Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-425d30b4"}