{"uid":"cap_rpNPKPVpI-SIUbi4K_lHY","slug":"m0-email-verification-e98cf6be","name":"M0 Email Verification","description":"Machine-native capabilities for agents. Primary: URL Extraction -- fetch a public URL, get back clean text, no third-party dependency. Also available: pre-flight lead-quality signals before spending money enriching, contacting, or storing a lead.","url":"https://m0.aiverall.com/v1/verify-email","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"object","format":"json","example":{"domain":"example.com","version":"m0-email-verify-v1","valid_syntax":true,"domain_resolves":true,"mailbox_confirmed":false}},"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_K5ZIkT7OdXsbtpPyYlj4f","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":"Verifies an email address by checking syntax validity, domain resolution, and mailbox existence before enriching or contacting a lead","exampleAgentPrompt":"Before I add this lead to my CRM, can you verify that john.doe@acmecorp.com is a real, deliverable address — check the syntax, whether the domain resolves, and whether the mailbox actually exists?","exampleUseCases":[{"title":"Pre-outreach lead email screening","prompt":"I have a new lead with the email sarah.johnson@startup.io — before I spend time enriching her profile or sending a cold email, can you check if the address is valid, the domain resolves, and the mailbox is confirmed?"},{"title":"CRM data hygiene check","prompt":"We're about to import 500 contacts into our CRM — can you verify the email address mark.taylor@bigclient.com as a test to see if it passes syntax, domain, and mailbox checks before we bulk-upload the rest?"},{"title":"Campaign budget protection","prompt":"Before I pay to enrich this lead and add them to our email campaign, verify that prospects@newco.com is a legitimate email — I need to know if the syntax is clean, the domain is live, and whether the mailbox is confirmed."}],"resultDescription":"Returns a JSON object with: the domain extracted from the email, a versioned identifier (m0-email-verify-v1), a boolean for valid syntax, a boolean indicating whether the domain resolves (MX/DNS check), and a boolean for whether the mailbox was confirmed as existing.","failureModes":["Invalid or malformed email input returns syntax error or valid_syntax: false","Unresolvable domain returns domain_resolves: false with mailbox_confirmed: false","Catch-all mail servers may prevent definitive mailbox_confirmed determination (returns false even for valid boxes)","Temporary DNS or SMTP timeout may return inconclusive result","Rate limiting or payment failure returns 402 or 429 error"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, no-third-party pre-flight check on an email address before spending resources on enrichment, outreach, or CRM storage. Ideal for agents managing lead pipelines that need to gate on email quality without integrating a heavyweight email validation SaaS. Best when cost-per-check matters ($0.005 USDC) and you want a machine-native, pay-per-use model with no subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:38:49.055Z","isFirstParty":false}