{"uid":"cap_e3_Jo29PJosbQf1dtdxgf","slug":"halowerk-email-validation-1720b2c6","name":"Halowerk Email Validation","description":"Syntax, Domain, MX-Einträge, Wegwerf-Anbieter, Rollenkonto, Freemailer, Tippfehler-Vorschlag und Zustellwahrscheinlichkeit. Optional SMTP-Handshake für Postfachprüfung.","url":"https://tools.halowerk.com/v1/email/validate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string"},"emails":{"type":"array","items":{"type":"string"},"description":"Stapel bis 50 Adressen, ein Preis pro Aufruf"},"smtp_check":{"type":"boolean","default":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.00","successRate":"0.00","reviews":1,"stars":null,"state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xTNVOxd7cNTgRizFgm9Zh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","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 across syntax, domain, MX records, disposable/role/freemail checks, typo suggestions, and optionally performs an SMTP handshake to verify mailbox existence.","exampleAgentPrompt":"Can you validate the email address 'john.doe@gmial.com' — check its syntax, domain, MX records, whether it's disposable or a role account, and also do the SMTP handshake to see if the mailbox actually exists?","exampleUseCases":[{"title":"Signup form email hygiene","prompt":"Before we add this lead to our CRM, validate 'marketing@mailinator.com' — tell me if it's disposable, a role account, or likely to bounce, and give me the deliverability probability."},{"title":"Typo correction at registration","prompt":"A user just entered 'alice@gmial.com' during signup — can you check if that email has a typo and suggest the correct domain, and also confirm whether the syntax and MX records look valid?"},{"title":"Cold outreach list scrubbing","prompt":"I'm about to send a cold email campaign. Check 'ceo@example.org' with a full SMTP handshake to confirm the mailbox actually exists and give me the deliverability score before I add it to my send list."}],"resultDescription":"Returns a structured report covering: syntax validity, domain existence, MX record presence, whether the address belongs to a known disposable provider, role account (e.g. info@, support@), or freemail service (e.g. Gmail), a typo correction suggestion if the domain looks misspelled, a numerical deliverability probability, and optionally an SMTP handshake result confirming whether the specific mailbox exists.","failureModes":["Invalid or malformed input email returns a syntax error with no further checks performed","Domain does not exist or has no DNS records, causing MX check failure","SMTP handshake times out or is rejected by the remote server, resulting in an inconclusive mailbox check","Rate limiting if too many requests are sent in a short period","Network issues may cause intermittent failures on the SMTP verification step"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-layered email validation that goes beyond simple syntax checking — especially when disposable/role/freemail detection, typo suggestions, and optional SMTP mailbox verification are all needed in a single call. Ideal for signup flows, lead enrichment, and outreach list hygiene where deliverability confidence is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-09-03T06:58:13.472Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:30:36.833Z","isFirstParty":false,"canonicalSlug":"halowerk-email-validation-1720b2c6"}