{"uid":"cap_k2vmTu5hfGFWcqV4LJApE","slug":"email-address-validation-f1ae680b","name":"Email Address Validation","description":"Check an email address before sending: syntax, whether the domain exists and has mail servers (MX), disposable/temporary provider, role address (info@, sales@), free provider and typo suggestion (gmial.com -> gmail.com), with a verdict. No mail is sent and the mailbox is not probed.","url":"https://bess-x402.onrender.com/v1/web/email-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["email"],"properties":{"email":{"type":"string","description":"Email address"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PbkCMeO6lxi8TkAmphyhy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax, domain/MX records, disposable provider, role address, free provider, and typo detection — without sending mail or probing the mailbox.","exampleAgentPrompt":"Before I add john.doe@gmial.com to my mailing list, can you validate it — check the syntax, whether the domain has mail servers, if it's a disposable or role address, and suggest any typo correction?","exampleUseCases":[{"title":"Pre-send email list cleanup","prompt":"I'm about to send a campaign to user@tempmail.org — can you check if that email is from a disposable provider, has valid MX records, and give me an overall verdict on whether I should send to it?"},{"title":"Signup form email quality gate","prompt":"A user just signed up with info@bigcorp.com — validate that email and tell me if it's a role address, whether the domain actually accepts mail, and if the syntax is correct so I can decide whether to flag it for review."},{"title":"Typo correction at point of entry","prompt":"Someone entered their email as jane.smith@yahooo.com — can you check that for typos and tell me what the correct address might be, plus whether the domain has mail servers?"}],"resultDescription":"Returns a structured verdict including: syntax validity, domain existence and MX record presence, whether the address belongs to a known disposable/temporary provider, whether it is a role address (e.g. info@, admin@), whether it uses a free provider (e.g. Gmail, Yahoo), a typo suggestion if the domain looks misspelled, and an overall deliverability verdict — all without sending any email or probing the mailbox.","failureModes":["Missing or malformed email parameter returns a validation error","Domain exists but has no MX records — flagged but not an API error","Extremely obscure TLDs or new domains may not be in disposable provider lists","Rate limiting or service unavailability on the hosted Render instance may return 5xx errors","Unicode/internationalized email addresses may not be fully supported"],"whenToPreferThis":"Choose this endpoint when you need a fast, passive email quality check before sending — especially to catch typos, disposable providers, and role addresses without triggering any mail delivery or SMTP probing. Prefer it over SMTP-probing validators when you want zero side effects and don't need mailbox-existence confirmation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:32:35.237Z","isFirstParty":false,"canonicalSlug":"email-address-validation-f1ae680b"}