{"uid":"cap_d7bgOkby2QBw51MIxxj_T","slug":"github-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-4695e344","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://github-audit.agentdiet.dev/v1/disposable-email)","url":"https://github-audit.agentdiet.dev/v1/disposable-email?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_otM5T7BbmXuGG734iDjHU","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"github-audit.agentdiet.dev","brandSlug":"github-audit-agentdiet-dev-mpp","brandBaseUrl":"https://github-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.smith@mailinator.com is a real, deliverable email address — specifically whether it's a disposable or burner provider, passes syntax checks, and has valid MX, SPF, and DMARC DNS records on its domain?","exampleUseCases":[{"title":"Block burner emails at signup","prompt":"Before creating this account, check whether the email signup@guerrillamail.com is a disposable or burner address and whether its domain has legit MX records — I want to block throwaway signups."},{"title":"Validate leads before outreach","prompt":"I have a sales lead with email cfo@acmecorp.io — can you confirm it passes syntax validation, isn't a role account, and that acmecorp.io has proper MX and SPF records so my outreach will actually land?"},{"title":"Audit domain email security posture","prompt":"Check the email admin@startupxyz.com and tell me whether that domain has SPF and DMARC records configured correctly, so I can assess their email security posture."}],"resultDescription":"Returns a structured object indicating: whether the email address has valid syntax, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. admin@, support@), and the live DNS status of MX, SPF, and DMARC records for the email domain — giving an overall deliverability and risk assessment.","failureModes":["Missing or malformed email parameter returns a 400 validation error","DNS lookup timeouts for uncommon or slow-responding domains may cause incomplete MX/SPF/DMARC results","Very new or obscure domains may not have SPF/DMARC records, returning absent rather than invalid","Payment required (HTTP 402) if x402 credentials are not provided or balance is insufficient","False negatives possible for disposable providers not yet in the blocklist database"],"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 verification. Prefer it over basic syntax-only validators when deliverability and fraud risk matter, and over domain-only DNS tools when you need the full email-level picture in one request.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:01.049Z","isFirstParty":false,"canonicalSlug":"github-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-7517d338"}