{"uid":"cap_vrDqMEQnfUCdWd4D474wn","slug":"serp-extract-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-58d3b388","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://serp-extract.agentdiet.dev/v1/disposable-email)","url":"https://serp-extract.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_b_aPE-mxrLSrxU0W-2wfx","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.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 or just a throwaway address — and tell me if the domain has proper MX, SPF, and DMARC records set up?","exampleUseCases":[{"title":"SaaS signup fraud prevention","prompt":"Before I create an account for the user who just signed up with signup@guerrillamail.com, check if that email is a disposable or burner address and whether the domain actually has working mail servers."},{"title":"B2B lead list email hygiene","prompt":"I have a lead email address, cfo@acmecorp.io — can you validate whether it's a real deliverable address, not a role account, and whether the domain has SPF and DMARC configured?"},{"title":"Email campaign pre-send verification","prompt":"Before we send our newsletter campaign, verify that noreply@clientdomain.net is a legitimate recipient email with valid MX records and not flagged as a role or disposable account."}],"resultDescription":"Returns a structured object indicating whether the email passes syntax checks, whether the provider is a known disposable or burner service, whether it is a role account (e.g. admin@, info@), and live DNS lookup results for MX, SPF, and DMARC records on the email's domain, along with an overall deliverability assessment.","failureModes":["Missing or empty email field returns a validation error","Malformed email string that fails syntax check returns invalid status immediately without DNS lookup","DNS lookup timeout or unreachable nameserver may result in incomplete MX/SPF/DMARC data","Payment failure or insufficient balance returns HTTP 402","Temporary DNS propagation issues may cause false negatives on newly registered domains"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, live email validation that goes beyond simple regex checks — specifically when you need disposable provider detection, role account flagging, and real-time DNS MX/SPF/DMARC record verification in a single call. Prefer it over static email list validators when freshness of DNS data matters, such as during user onboarding, lead enrichment pipelines, or pre-send campaign hygiene checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:31.505Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-18768445"}