{"uid":"cap_x--BPJN0Mc_NYKbys-Dao","slug":"json-repair-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-be2e6dc4","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://json-repair.agentdiet.dev/v1/email)","url":"https://json-repair.agentdiet.dev/v1/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_QMbX4v53xzyfRrCznpUcV","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"json-repair.agentdiet.dev","brandSlug":"json-repair-agentdiet-dev-mpp","brandBaseUrl":"https://json-repair.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@tempmail.com is a real, deliverable email — specifically whether it's from a disposable provider, has valid MX records, and passes SPF and DMARC checks?","exampleUseCases":[{"title":"Screening signups for burner emails","prompt":"Before I add this new user to my database, can you verify that signup@guerrillamail.com isn't a disposable or burner email address and that it actually has working MX records?"},{"title":"Pre-send deliverability check for outreach","prompt":"I'm about to send a cold outreach campaign — can you validate that contact@acmecorp.io has valid MX, SPF, and DMARC records so I know my emails won't bounce?"},{"title":"Role account detection for lead qualification","prompt":"Is support@bigcompany.com a role-based email address rather than a real person's inbox? I want to know if I should skip it in my lead enrichment pipeline."}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain uses a known disposable/burner provider, whether it is a role account (e.g. info@, noreply@), and the live DNS status of MX, SPF, and DMARC records for the email domain, giving a full deliverability picture.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeouts may cause MX/SPF/DMARC fields to be unavailable or null","Very new domains may have no DNS records yet, appearing undeliverable even if valid","Payment failure (HTTP 402) if x402 USDC micropayment is not fulfilled","Private or internal email domains may not expose public DNS records"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email health check that combines syntax validation, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC lookup — especially in agent pipelines where you want to screen leads, verify signups, or qualify contacts before outreach or CRM ingestion. It is particularly useful when you need DNS-level deliverability signals rather than just format checking.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:49.830Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-be2e6dc4"}