{"uid":"cap_5DDtU5Y_UoJqKk0rj8Whz","slug":"json-repair-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-0dcd935e","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/mx-deliverability-verifier)","url":"https://json-repair.agentdiet.dev/v1/mx-deliverability-verifier?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_0FHgPfwIaVEDh9nVcV-nW","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/DMARC record checks to assess deliverability.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — specifically whether it has valid MX records, passes SPF and DMARC checks, and isn't from a disposable or burner provider?","exampleUseCases":[{"title":"Scrub leads before cold outreach","prompt":"Before I start this email campaign, can you verify that sarah.jones@techcorp.io is a real deliverable address — check its MX records, SPF, DMARC, and make sure it's not a throwaway or role account?"},{"title":"Block disposable signups at registration","prompt":"A user just signed up with guerrillamail123@guerrillamail.com — can you check if that's a disposable or burner email address so I can decide whether to block the account?"},{"title":"Audit contact list email quality","prompt":"I need to know if noreply@bigbrand.com is a role account and whether bigbrand.com actually has MX records configured — can you run a full deliverability check on it?"}],"resultDescription":"Returns a structured JSON object indicating email syntax validity, whether the domain belongs to a known disposable/burner provider, whether the address appears to be a role account (e.g. admin@, support@), and live DNS lookup results for MX, SPF, and DMARC records — giving a comprehensive deliverability assessment.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeouts may result in inconclusive MX/SPF/DMARC results","Newly registered or very obscure domains may lack sufficient DNS data","Disposable provider database may not cover all burner services","Payment required (HTTP 402) if x402 micropayment not included"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email deliverability assessment that goes beyond simple syntax checking — specifically when you need live DNS MX/SPF/DMARC verification, disposable provider detection, and role account flagging in a single call. Ideal for pre-outreach lead validation, signup fraud prevention, and contact list hygiene workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:26.806Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-be2e6dc4"}