{"uid":"cap_YvRyeIX2CCuZawd1ZuHal","slug":"gocreative-email-validation-01e3ab05","name":"GoCreative Email Validation","description":"483,000+ pay-per-call data APIs and free tools built on official sources — finance, company & government data, FRED, Census, crypto, calculators. USDC on Base via x402, native MCP. No API key, no signup.","url":"https://api.gocreativeai.com/v1/lookup/email_validate/%7Barg%7D","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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"endpoint argument"}}}},"additionalProperties":false}}},"responseSchema":null,"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_VJqMXuIIb6uYYSkNzOzV6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an email address, checking format and deliverability via a pay-per-call lookup.","exampleAgentPrompt":"Can you check if the email address john.doe@example.com is valid and actually deliverable before I add it to my mailing list?","exampleUseCases":[{"title":"Pre-send email validation for campaigns","prompt":"Before we send out this batch of invitations, can you quickly verify that sarah.martinez@techcorp.com and michael.chen@innovate.io are real, deliverable email addresses? I don't want bounces eating into our sending quota."},{"title":"Lead quality check during enrichment","prompt":"I just got these three leads from the sales team — alex@startup-xyz.com, info@company-abc.net, and contact@enterprise-solutions.io. Can you validate which ones are actually active mailboxes before we spend time researching the companies?"},{"title":"User signup email verification","prompt":"A new user just signed up with the email david.white@domain.example. Can you check if that address is real and actually deliverable before we send them our welcome email and activation link?"}],"resultDescription":"Returns a validation result for the given email address, including whether the format is correct, whether the domain exists, and whether the mailbox is likely deliverable.","failureModes":["Invalid or malformed email string provided — returns format error","Unknown or unresolvable domain — returns domain-not-found","Payment not received or insufficient USDC balance — returns 402 Payment Required","Rate limit exceeded — returns 429 Too Many Requests","Internal lookup failure — returns 500 error"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call email validation without API key signup, especially in agentic workflows using x402/USDC payments on Base. Ideal for validating individual email addresses before outreach, lead enrichment, or list hygiene at $0.005 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:03:35.176Z","isFirstParty":false}