{"uid":"cap_qnqzE2UVAWQnjdXv1WQoP","slug":"klymax402-email-verification-api-29c8da5b","name":"klymax402 Email Verification API","description":"One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.","url":"https://klymax402.com/api/email-verification/api/verify","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","description":"Email address to verify (e.g. user@example.com)"}}},"responseSchema":{"type":"json","example":{"email":"example","valid":true,"domain":"example","reason":"example","syntax":true,"mx_found":true,"disposable":true,"mx_records":[],"role_based":true,"free_provider":true,"quality_score":1}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_raX70sY0RPmN_KB5IL2wA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","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 by checking syntax, MX records, disposability, and quality score","exampleAgentPrompt":"Can you verify whether john.doe@tempmail.com is a real, deliverable email address — tell me if it's disposable, role-based, or from a free provider, and what its quality score is?","exampleUseCases":[{"title":"Block disposable emails at signup","prompt":"Before we create an account for the user who signed up with 'user123@mailinator.com', check if that email is disposable or low quality so we can reject it."},{"title":"Lead quality scoring for sales pipeline","prompt":"We just got a new lead with email 'sales@genericbusiness.co' — can you verify if it's a real deliverable address, whether it's role-based, and what the overall quality score is so we can prioritize it?"},{"title":"Email list hygiene before campaign","prompt":"I'm about to send a newsletter to 'noreply@example.org' — first check if this address has valid MX records and isn't a role-based or throwaway email."}],"resultDescription":"A JSON object containing: whether the email is valid, the parsed domain, a human-readable reason for the verdict, syntax check result, MX record existence and list, whether the address is disposable, role-based, or from a free provider, and a numeric quality score between 0 and 1.","failureModes":["Missing or malformed email parameter returns an error","Domains with no public MX records may incorrectly appear invalid","Disposable email provider lists may be outdated, missing newer services","Network timeouts during MX lookup may cause failures","Very new domains may not yet resolve correctly"],"whenToPreferThis":"Use this endpoint when you need a comprehensive, multi-signal email validation that goes beyond simple regex — especially when you want to detect disposable addresses, check MX reachability, identify role-based emails, or score email quality for lead qualification. It is more thorough than syntax-only validators and returns structured signals useful for agent decision logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:56:52.064Z","isFirstParty":false}