{"uid":"cap_96o0tykL6M30WiivPjkSl","slug":"email-address-verification-api-38584aec","name":"Email Address Verification API","description":"Pay-per-call crypto technical analysis for AI agents (x402, USDC on Base). Daily trend regime, Donchian levels, ATR stops, signals and backtests computed with the code of a live trend-following bot from Binance spot klines.","url":"https://vmi3089643.contaboserver.net/v1/email/verify","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"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"email":"name@example.com","hasMx":false,"score":0.2,"domain":"example.com","disposable":false,"syntaxValid":true,"freeProvider":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_L4PBLa_PFV8b3h3uCR2IS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","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 existence, MX records, disposable provider status, free provider detection, and returning a deliverability score","exampleAgentPrompt":"Can you check whether 'john.doe@tempmail.com' is a real, deliverable email address — specifically whether it has valid syntax, a working MX record, and isn't from a disposable or free email provider?","exampleUseCases":[{"title":"Block disposable emails at signup","prompt":"Before I add this new user to my list, check if 'user123@mailinator.com' is a disposable or throwaway email address and give me a deliverability score so I can decide whether to block the registration."},{"title":"Clean a marketing email list","prompt":"I need to validate 'contact@acmecorp.io' — does it have valid syntax, a real domain with MX records, and is it from a legitimate non-free business email provider?"},{"title":"Flag suspicious lead form submissions","prompt":"Someone submitted 'fakeuser@guerrillamail.com' through our lead form — can you verify whether this email is from a disposable provider or is otherwise low-quality so I can decide whether to follow up?"}],"resultDescription":"Returns a JSON object with the original email, domain, a boolean for syntax validity, a boolean for MX record presence, a boolean for disposable provider, a boolean for free provider (e.g. Gmail/Yahoo), and a numeric deliverability score between 0 and 1.","failureModes":["Missing or malformed email query parameter returns an error","Non-existent TLD or completely invalid syntax may return syntaxValid: false with score near 0","DNS lookup timeouts for obscure domains may affect MX record accuracy","Edge cases with new disposable provider domains not yet in database may not be flagged","Payment failure via x402 protocol blocks the request"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-use email verification check that covers syntax, domain, MX, disposable, and free-provider signals in a single call without a subscription. Ideal for agents doing on-demand single-email validation during lead capture, signup flows, or list hygiene — especially when cost-per-call pricing ($0.002 USDC) is preferable to a monthly SaaS plan.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:05:21.627Z","isFirstParty":false}