{"uid":"cap_zV0TDo3FfRr4FgwTTGo5s","slug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-190da1d5","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://token-intel.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://token-intel.agentdiet.dev/v1/spf-dmarc-auditor?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_-fUWdkTk6De2Hu-O5jSMP","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"token-intel.agentdiet.dev","brandSlug":"token-intel-agentdiet-dev-mpp","brandBaseUrl":"https://token-intel.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 real, deliverable address — specifically if the domain has valid MX records set up and isn't a disposable email provider?","exampleUseCases":[{"title":"Lead list email hygiene check","prompt":"Before we import these leads into the CRM, can you verify that sarah.johnson@techcorp.io is a real, deliverable email — not a burner address — and that the domain has proper MX and SPF records configured?"},{"title":"Sign-up fraud prevention screening","prompt":"A new user just registered with temp-user@mailnull.com — can you check if that's a disposable or throwaway email address and whether the domain even has MX records to receive mail?"},{"title":"Cold outreach deliverability audit","prompt":"I'm about to send a cold email campaign and want to verify ceo@bigenterprise.com first — does the domain have working MX records, a valid SPF policy, and a DMARC record in place?"}],"resultDescription":"Returns a structured object indicating whether the email address passes syntax validation, whether the domain is a known disposable or burner provider, whether the account appears to be a role address (e.g., info@, admin@), and the live DNS status of the domain's MX, SPF, and DMARC records.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout if the domain's nameservers are unresponsive","Unknown or newly registered domains may return incomplete DNS data","Rate limiting or payment failure may block the request (HTTP 402)","Edge-case local-part formats may produce false syntax failures"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email health check that combines syntax validation, disposable-provider detection, role-account flagging, and live DNS MX/SPF/DMARC lookups. It is especially useful for lead enrichment pipelines, sign-up fraud screening, or cold outreach vetting where you need to confirm both deliverability and domain authentication posture in one request rather than making separate DNS queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:42:44.127Z","isFirstParty":false,"canonicalSlug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-1d18f196"}