{"uid":"cap_AoplmUhOdKT6N2ufa5VqD","slug":"email-validator-syntax-mx-disposable-check-2f221d63","name":"Email Validator (Syntax + MX + Disposable Check)","description":"Validate an email address: syntax, live MX record check, and disposable-domain detection.","url":"https://email-validator.pdfextractapi.workers.dev/validate","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["email"],"properties":{"email":{"type":"string","description":"The email address to validate."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_u1vEL951wzrNYKTkhnXt6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an email address by checking syntax correctness, live MX DNS record existence, and whether the domain is a known disposable/temporary email provider.","exampleAgentPrompt":"Can you check whether 'john.doe@tempmail.io' is a valid, deliverable email address — specifically whether its syntax is correct, if it has a live MX record, and if it's from a disposable email service?","exampleUseCases":[{"title":"Block throwaway signups at registration","prompt":"Before I create an account for this user, check if 'user123@guerrillamail.com' is a disposable email address — I don't want fake signups clogging my system."},{"title":"Verify lead email before CRM import","prompt":"I have a new sales lead with the email 'sales.contact@acmecorp.net' — can you verify it's syntactically valid and that the domain actually has a mail server set up before I add them to our CRM?"},{"title":"Clean up email list before campaign","prompt":"I'm about to send a marketing email to 'newsletter@outlook.con' — can you run a full validation on that address to catch any syntax issues or missing MX records before I waste a send?"}],"resultDescription":"Returns a structured validation result indicating: (1) whether the email address passes syntax checks, (2) whether the domain has a live MX DNS record confirming it can receive mail, and (3) whether the domain is identified as a known disposable/temporary email provider. Typically includes a boolean or status field for each check.","failureModes":["Invalid or malformed email string causes a validation error response","Domain has no DNS record (NXDOMAIN) — MX check fails with domain-not-found result","Network or DNS timeout during live MX lookup may cause delayed or error response","Disposable domain database may not cover every temporary mail provider — some may slip through","Empty or missing 'email' field in request body results in a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need a quick, multi-layered email check that goes beyond syntax — specifically when you need to confirm a domain can actually receive mail (live MX check) and want to catch disposable/throwaway email abuse. Prefer this over a simple regex-based validator when user trust, deliverability, or spam prevention matters. Best suited for onboarding flows, lead qualification, or any scenario where invalid or fake emails are a risk.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:33:46.951Z","isFirstParty":false}