{"uid":"cap_Eu9QyoiBrZI7B_zHG2EE1","slug":"agent-tools-email-validator-16ec120c","name":"Agent Tools Email Validator","description":"Email validation for signup forms, lead lists and CRM cleanup: checks syntax, MX mail servers, disposable or temporary domains, role addresses (info@, sales@) and free providers. Returns a deliverable_guess. No SMTP probe, no data stored.","url":"https://agent-tools.jbarkules.workers.dev/v1/email/check?utm_source=zero.xyz","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":{"email":"jane@acme.com","domain":"acme.com","disposable":false,"mx_records":["10 mx1.acme.com."],"role_account":false,"valid_syntax":true,"free_provider":false,"has_mail_server":true,"deliverable_guess":"likely"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/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_O1Wf8WLHlKZtIj2CeZfpT","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 by checking syntax, MX records, disposable domain, role account, and free provider status to return a deliverability guess.","exampleAgentPrompt":"Can you check whether jane@example.com is a real, deliverable email address — tell me if it's disposable, a role account, or likely to bounce?","exampleUseCases":[{"title":"Signup form disposable email check","prompt":"Before we create an account for this user, can you validate their email signup@tempmail.io and tell me if it looks disposable or fake so I can decide whether to block it?"},{"title":"CRM lead list cleanup","prompt":"I've got a lead email address sales@bigcorp.com — can you check if it's a deliverable, non-role address that's worth reaching out to, or if we should skip it?"},{"title":"Bulk import pre-screening","prompt":"We're importing a contact list and one of the entries has the email address john.doe@gmail.com — can you validate it for syntax, check MX records, and tell me if it's likely deliverable?"}],"resultDescription":"A JSON object containing: the original email, boolean flags for valid_syntax, has_mail_server, disposable, and role_account, plus a deliverable_guess string (e.g. 'likely', 'unlikely', 'unknown') indicating the probable deliverability of the address. No SMTP probe is performed and no data is stored.","failureModes":["Missing 'email' query parameter returns an error response","Malformed or extremely long email strings may return invalid_syntax=true with deliverable_guess='unlikely'","Newly created or obscure MX records may not be found, resulting in has_mail_server=false for valid domains","Disposable domain lists may not include the very latest temporary email providers"],"whenToPreferThis":"Choose this endpoint when you need lightweight, fast email validation without sending a real SMTP probe — ideal for signup form gating, lead list hygiene, and CRM cleanup where you want syntax, MX, disposable domain, role account, and free-provider checks all in one call with no data retention.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:40:17.119Z","isFirstParty":false,"canonicalSlug":"agent-tools-email-validator-16ec120c"}