{"uid":"cap_1_mxDX0yQ2W2FlwEtwDBc","slug":"x402-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-f497c2e8","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/disposable-email)","url":"https://x402-audit.agentdiet.dev/v1/disposable-email?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_xnOYTPKvb3321g-yjgXVo","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, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@tempmail.com is a real, deliverable email address — specifically whether it's a disposable/burner provider, has valid MX records, and passes SPF and DMARC checks?","exampleUseCases":[{"title":"Screen signups for disposable emails","prompt":"Before we activate this new account, check if the email user@guerrillamail.com is from a throwaway or burner provider and whether the domain actually has working MX records."},{"title":"Pre-send campaign deliverability check","prompt":"We're about to send a marketing email to marketing@acmecorp.io — can you verify the syntax is correct, the domain has MX records set up, and SPF and DMARC are properly configured?"},{"title":"Fraud risk screening for onboarding","prompt":"Flag whether support@noreply.xyz is a role account or a disposable email, and tell me if the underlying domain has valid DNS email records before we let this person proceed."}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. admin@, info@), and live DNS lookup results for MX, SPF, and DMARC records — giving an overall deliverability and risk assessment.","failureModes":["Malformed or missing email field returns a validation error","DNS lookup timeout if the domain's nameservers are unresponsive","Unknown or newly registered domains may yield incomplete MX/SPF/DMARC results","Disposable provider detection may miss newly created throwaway services not yet in blocklists","Payment failure via x402 returns HTTP 402 before any validation is performed"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email health check combining syntax validation, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC verification in a single call — particularly in fraud prevention, user onboarding screening, or pre-campaign deliverability workflows where a simple format check is insufficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:00.483Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-bdea972c"}