{"uid":"cap_m-x8uplGpliWJglDpI5kz","slug":"x402-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-c11fd23c","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://x402-audit.agentdiet.dev/v1/email-verify)","url":"https://x402-audit.agentdiet.dev/v1/email-verify?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_dwFpQxzryNDkKGzX--q9S","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402-audit.agentdiet.dev","brandSlug":"x402-audit-agentdiet-dev-mpp","brandBaseUrl":"https://x402-audit.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 checks","exampleAgentPrompt":"Can you check whether john.doe@tempmail.com is a real, deliverable email address — specifically whether it's a disposable or burner provider, a role account, and whether its domain has valid MX, SPF, and DMARC DNS records?","exampleUseCases":[{"title":"Screening signups for fake emails","prompt":"Before I add this new user to my platform, can you verify that signup@guerrillamail.com is a legitimate email — check if it's a disposable/burner address and whether the domain actually has working MX records?"},{"title":"Email list hygiene before campaign","prompt":"I'm about to send a newsletter to noreply@bigcorp.com — can you check if that's a role account and whether the domain has proper SPF and DMARC records so I know if it's worth sending?"},{"title":"Fraud risk check during checkout","prompt":"A user just entered support@10minutemail.net as their contact email at checkout — can you tell me if that's a throwaway burner address, and whether the domain even has valid mail server DNS records?"}],"resultDescription":"Returns a structured object indicating: whether the email syntax is valid, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. admin@, info@, noreply@), and the live DNS lookup results for MX, SPF, and DMARC records — enabling a deliverability and fraud-risk assessment for the email address.","failureModes":["Invalid or malformed email input returns a syntax error response","DNS lookup timeout if the domain's nameservers are unresponsive","Unknown or newly registered domains may have incomplete DNS data","Payment failure (HTTP 402) if x402 USDC payment is not properly attached","Rate limiting if too many requests are made in a short window"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, live email validation that goes beyond simple syntax checks — specifically when you need real-time DNS MX/SPF/DMARC lookups combined with disposable provider detection and role account screening in a single API call. It is particularly well-suited for agent-driven workflows that require fraud screening at signup, pre-send deliverability checks, or identity verification, and that support HTTP 402 x402 micropayment authentication with Base USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:36:41.710Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-bdea972c"}