{"uid":"cap_zdvrht0l2tL45-Hnzgav5","slug":"hunter-c1bc4fe5","name":"Hunter Email Verifier","description":"Verify email deliverability via Hunter.io.","url":"https://stableenrich.dev/api/hunter/email-verifier","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","format":"email","pattern":"^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$","description":"Email address to verify"}}},"responseSchema":{"type":"json","example":{"jobId":"3c16f7d3-8782-4a47-a033-b12bb0d7a16d","status":"pending","pollUrl":"https://stableenrich.dev/api/hunter/email-verifier/jobs/3c16f7d3-8782-4a47-a033-b12bb0d7a16d","retryAfterSeconds":5}},"example":{"request":{"email":"zero-qa@agentmail.to"},"response":{"block":false,"email":"zero-qa@agentmail.to","score":72,"regexp":true,"result":"risky","status":"accept_all","sources":[],"webmail":false,"gibberish":false,"accept_all":true,"disposable":false,"mx_records":true,"smtp_check":true,"smtp_server":true,"_deprecation_notice":"Using result is deprecated, use status instead"}},"exampleRequest":{"email":"zero-qa@agentmail.to"},"tags":["x402"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_o25QlKZs9TDCJM27jix9R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies whether an email address is deliverable using Hunter.io's email verification service.","exampleAgentPrompt":"Can you verify whether john.doe@acme.com is a real, deliverable email address before I add it to my outreach list?","exampleUseCases":null,"resultDescription":"Returns a deliverability verdict for the submitted email address, indicating whether the email is valid and likely to receive messages, along with supporting details from Hunter.io's verification engine.","failureModes":["Invalid or malformed email address input returns a validation error","Email domain does not exist or is unreachable","Hunter.io API rate limit exceeded","Insufficient USDC balance for the $0.03 per-call fee","Catch-all mail server detected — deliverability cannot be confirmed definitively","Network timeout or upstream Hunter.io service unavailability"],"whenToPreferThis":"Use this endpoint when you need to verify a single email address's deliverability before adding it to a CRM, launching an outreach campaign, or sending transactional email. Prefer this over generic SMTP checks when you want Hunter.io's enriched verification signals including domain validity and mailbox existence. Ideal for pre-send validation to reduce bounce rates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:46:39.905Z","isFirstParty":false}