{"uid":"cap_nnf7vAhK5VFlVmDRScNXP","slug":"hubvibe-email-verification-7c9d2edc","name":"HubVibe Email Verification","description":"Email verification / email validation: will mail to this address arrive? Checked live at the source: syntax, the domain's DNS (MX, null MX, no such domain) and its own mail server, asked whether the mailbox exists and whether it accepts any address (catch-all). No message sent. Flags disposable domains, role accounts (info@), free providers and typos (gmial.com). Verdict: deliverable, undeliverable, risky or unknown, with the reason. Input: email.","url":"https://hubvibe-io.com/work/email/verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","maxLength":320,"minLength":3},"language":{"type":"string","pattern":"^[A-Za-z]{2,3}(-[A-Za-z0-9]{2,8})*$","maxLength":35}}},"responseSchema":{"type":"json","example":{"result":{"mx":[],"email":"support@github.com","notes":[],"domain":"github.com","reason":"mailbox_exists","mailbox":{"exists":true,"checked":true,"mx_host":"aspmx.l.google.com","catch_all":false,"smtp_code":250,"smtp_message":"2.1.5 OK"},"verdict":"deliverable","checked_at":"2026-09-26T18:00:00Z","disposable":false,"local_part":"support","normalized":"support@github.com","accepts_mail":true,"did_you_mean":"jane@gmail.com","domain_ascii":"github.com","role_account":true,"syntax_valid":true,"domain_exists":true,"free_provider":false,"mail_provider":"google","disposable_list_as_of":"2026-09-28"},"status":"ok","worker":"email.verify","price_usd":0.02,"provenance":{"steps":[{"ms":312,"ok":true,"step":"quote","reason":"provider_timeout","provider":"coinbase-advanced-trade-public"}],"attempts":1,"elapsed_ms":340,"providers_used":["coinbase-advanced-trade-public"]},"receipt_id":"rcpt_9f1c2b3a4d5e6f70","attribution":[{"url":"https://translate.google.com","text":"Translated by Google"}],"receipt_url":"/work/receipts/rcpt_9f1c2b3a4d5e6f70"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2cAJ1UM7_O-8sGfCXnzrr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs live email address verification by checking syntax, DNS records, and the actual mail server to determine if the address is deliverable, with flags for disposable domains, role accounts, catch-all servers, and typos.","exampleAgentPrompt":"Can you verify whether john.doe@gmial.com is a real, deliverable email address — check if the domain exists, if there's a mail server, and if the mailbox actually accepts mail?","exampleUseCases":[{"title":"Signup form fraud screening","prompt":"Before I create an account for the user who entered temp-mail123@throwam.com, check if that email is disposable or fake so I can block it if needed."},{"title":"Pre-campaign list cleaning","prompt":"I'm about to email info@acmecorp.io — can you check live whether that address is actually deliverable, or if it's a role account or catch-all that might tank my sender reputation?"},{"title":"Typo correction at checkout","prompt":"A customer just entered their email as sarah@gmial.com during checkout — can you verify it and tell me if that looks like a typo for gmail.com and whether it's deliverable?"}],"resultDescription":"Returns a deliverability verdict (deliverable, undeliverable, risky, or unknown) with a specific reason code, plus boolean flags indicating whether the address is on a disposable domain, is a role account (e.g. info@, admin@), belongs to a free email provider, appears to be a typo variant of a known domain, and whether the server is a catch-all. No message is sent to the address during verification.","failureModes":["Malformed email input returns a validation error before any network checks are made","Domains with no DNS records return undeliverable with a no-such-domain reason","Mail servers that time out or refuse SMTP probing return unknown verdict","Some mail servers are catch-all and cannot confirm individual mailbox existence, returning risky or unknown","Temporary network issues with remote mail servers may yield unknown instead of definitive verdict","Very strict mail servers that block all SMTP probes will result in unknown verdict"],"whenToPreferThis":"Choose this endpoint when you need a real-time, live check against the actual mail server rather than a static list lookup. It is ideal for pre-send validation, signup screening, and CRM hygiene where deliverability confidence matters. Prefer it over syntax-only validators when you need to catch disposable domains, role accounts, catch-alls, and typo domains in one call without sending an actual message.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:45:24.709Z","isFirstParty":false,"canonicalSlug":"hubvibe-email-verification-7c9d2edc"}