{"uid":"cap_ZrGkWQByNhZXupK2H4EsW","slug":"email-address-validator-63fa62a7","name":"Email Address Validator","description":"Email verification and deliverability check without sending anything: syntax, MX records, disposable-domain detection (121k+ known domains), role-account and free-provider flags. JSON verdict with a bounce/deliverability risk level. Validate emails for signup fraud prevention, list hygiene and lead qualification. $0.004 USDC per call, pay via x402, no API key.","url":"https://toolsmith-api.dassad10.workers.dev/t/email/validate","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["email"],"properties":{"email":{"type":"string","description":"Email address to validate"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"risk":"high","role":false,"email":"user@example.com","hasMx":false,"reasons":["no_mx"],"disposable":false,"syntaxValid":true,"freeProvider":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_7K7FFAD1EZkhvs25vK2cI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","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 for syntax, MX records, disposable domain, role account, and free provider status, returning a deliverability risk verdict","exampleAgentPrompt":"Can you validate the email address j.smith@mailinator.com and tell me if it's deliverable, whether the domain is disposable, and if it's a role account or free provider?","exampleUseCases":null,"resultDescription":"A JSON object containing a deliverability risk level and boolean flags for: syntax validity, MX record existence, whether the domain is disposable (checked against 121k+ known domains), whether it's a role account (e.g. admin@, noreply@), and whether it belongs to a free email provider.","failureModes":["Missing email query parameter returns an error","Malformed email string may still be processed with a syntax-fail verdict","Unknown or very new disposable domains may not be in the 121k database and could be missed","Network timeouts on MX record lookups for obscure domains","Non-existent TLDs may cause DNS lookup failures"],"whenToPreferThis":"Use this endpoint when you need a fast, non-intrusive technical check on an email address without sending any message — ideal for signup form validation, lead quality scoring, fraud screening, or pre-send list hygiene. Prefer this over send-based verification when you cannot or should not send a real email. Its 121k+ disposable domain database makes it especially strong for catching throwaway addresses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:34:14.649Z","isFirstParty":false}