{"uid":"cap_H8fWc3wCKSagyWTDgNEwz","slug":"mailferret-work-email-finder-verifier-d1bd1e4b","name":"MailFerret Work Email Finder & Verifier","description":"Find a person's verified work email from first name, last name and company domain. Live SMTP check against the company's mail server, catch-all detection. Charged only when a mailbox is verified; misses return 4xx and are not charged.","url":"https://mailferret.appin60.com/find?utm_source=zero.xyz","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":{"type":"object","required":["first_name","domain"],"properties":{"domain":{"type":"string","minLength":3,"description":"Company domain or website, e.g. cal.com"},"last_name":{"type":"string","description":"Person's last name, e.g. Richelsen (strongly recommended)"},"first_name":{"type":"string","minLength":1,"description":"Person's first name, e.g. Peer"},"middle_name":{"type":"string","description":"Optional middle name"}}},"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":{"type":"json","example":{"mx":["aspmx.l.google.com"],"email":"peer@cal.com","domain":"cal.com","status":"found","checked":[{"email":"peer.richelsen@cal.com","result":"rejected"},{"email":"peer@cal.com","result":"accepted"}],"provider":"google_workspace","catch_all":false,"confidence":"high","verified_by":"smtp_rcpt"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5F9tp1-sE3R0j6-mda6Ka","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Finds and verifies a person's work email address using live SMTP checks, returning a confirmed deliverable address or rejection, charged only on success.","exampleAgentPrompt":"Can you find and verify the work email for Peer Richelsen at cal.com? His last name is Richelsen — I need a confirmed, deliverable address for outreach.","exampleUseCases":[{"title":"Sales lead email enrichment","prompt":"I have a lead — Jane Smith, works at stripe.com — can you find and verify her work email so I can add it to my CRM before reaching out?"},{"title":"Journalist contact lookup","prompt":"I need to reach out to Alex Johnson who works at nytimes.com. Can you find his verified work email address?"},{"title":"Recruiting outreach contact","prompt":"I want to contact Maria Garcia, an engineer at openai.com — can you find her verified work email so I can send a recruiting message?"}],"resultDescription":"Returns a JSON object containing the verified email address, domain, SMTP verification status ('found' or not), a list of candidate emails checked with individual results ('accepted'/'rejected'), the email provider (e.g. google_workspace), MX records, whether the domain is catch-all, a confidence level ('high'/'medium'/'low'), and the verification method used (e.g. smtp_rcpt).","failureModes":["Email not found: no accepted email candidate discovered for the given name and domain","Domain catch-all: domain accepts all addresses, making SMTP verification unreliable","Invalid domain: domain does not exist or has no MX records","SMTP timeout: mail server unresponsive during live check","Payment failure: x402 USDC payment not completed, no charge and no result returned","Insufficient input: first name or domain missing causes request rejection"],"whenToPreferThis":"Choose MailFerret when you need a pay-per-success, no-API-key solution for finding and SMTP-verifying individual work emails in real time. It is ideal for agents doing cold outreach enrichment, CRM population, or recruiting contact discovery where you only want to pay when a verified address is actually returned. Prefer it over bulk email list services when operating on individual leads and requiring live deliverability confirmation rather than pattern guessing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T13:37:23.288Z","isFirstParty":false,"canonicalSlug":"mailferret-work-email-finder-verifier-d1bd1e4b"}