{"uid":"cap_FT0CaLocfy-xzTX_75KbU","slug":"json-repair-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-13da8a0d","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/spf-dmarc-auditor)","url":"https://json-repair.agentdiet.dev/v1/spf-dmarc-auditor?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_YxVqeksLlxYwppzqhiNvc","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 detection, role account flagging, and live DNS MX/SPF/DMARC record checks to determine deliverability.","exampleAgentPrompt":"Can you verify whether john.smith@acme.com is a real, deliverable email — check the syntax, MX records, SPF and DMARC DNS setup, and flag it if it looks like a disposable or role address?","exampleUseCases":[{"title":"CRM lead email quality gate","prompt":"Before we import this batch of sales leads, check if the contact email david.chen@startupxyz.io is actually deliverable — validate the syntax, confirm MX records exist, and tell me if it's from a burner or disposable email service."},{"title":"Sign-up fraud prevention check","prompt":"A new user just registered with the email admin@mailinator.com — can you verify whether it's a real deliverable address or a disposable/role account we should block?"},{"title":"Email domain DNS compliance audit","prompt":"We're about to send a cold outreach campaign to prospects at partnerfirm.com — can you check whether their domain has valid MX records, and whether SPF and DMARC are properly configured so our emails won't bounce or get flagged?"}],"resultDescription":"Returns a structured JSON object indicating email syntax validity, whether the domain belongs to a known disposable/burner provider, whether the local part is a role account (e.g. admin@, noreply@), live MX record resolution results, SPF record presence and content, and DMARC policy details — enabling a full deliverability and trustworthiness assessment.","failureModes":["Missing or invalid 'email' parameter returns an error","DNS lookup timeout if the domain's nameservers are unresponsive","Domain has no MX records (email undeliverable)","SPF or DMARC records absent (returned as not configured, not an API error)","Disposable provider list may lag new burner domains","Payment required (HTTP 402) if x402 USDC micropayment not provided"],"whenToPreferThis":"Choose this endpoint when you need a single API call that combines email syntax checking, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC record validation — especially in B2B lead enrichment, CRM hygiene, sign-up fraud prevention, or cold outreach compliance workflows. Prefer this over basic regex-only validators when live DNS verification is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:09.836Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-be2e6dc4"}