{"uid":"cap_j_8G9vW_otZYp5oUYGDgW","slug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-26e4029c","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/email-check)","url":"https://token-intel.agentdiet.dev/v1/email-check?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_UKW7VHcF2zeBHLdJOLYEs","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 lookups.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — specifically whether the domain has valid MX records, passes SPF and DMARC checks, and isn't a disposable or burner provider?","exampleUseCases":[{"title":"Screening sign-up emails for fake accounts","prompt":"Before I activate this new user account, can you verify that the email address they gave me — tempuser@mailinator.com — is real and not from a disposable or burner email service?"},{"title":"Pre-send deliverability check for outreach campaign","prompt":"I'm about to send a cold outreach email to cfo@acmecorp.io — can you check if that email is actually deliverable, meaning the domain has live MX records and proper SPF/DMARC setup?"},{"title":"Detecting role accounts in CRM leads","prompt":"I have a new lead in my CRM with the email info@bigcompany.com — is that a role account rather than a personal address, and does the domain have valid email DNS records?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain resolves with live MX records, SPF and DMARC record presence and validity, whether the provider is a known disposable/burner service, and whether the address is a role account (e.g. info@, support@).","failureModes":["Invalid or malformed email input returns a syntax error","Domain does not exist or has no DNS records, resulting in MX lookup failure","Temporary DNS resolution failures may cause intermittent lookup errors","Payment required (HTTP 402) if x402 micropayment is not provided","Rate limiting if too many requests are made in a short period"],"whenToPreferThis":"Choose this endpoint when you need a single-call, comprehensive email validation that combines syntax checking, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC verification. It is ideal for pre-send deliverability screening, lead enrichment pipelines, user registration flows, and CRM hygiene tasks where you want real-time DNS resolution rather than a static database lookup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:39.365Z","isFirstParty":false,"canonicalSlug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-1d18f196"}