{"uid":"cap_INCuECa9CzjQbOMT9RBay","slug":"24k-labs-email-validator-74451aed","name":"24K Labs Email Validator","description":"RFC-5322-ish syntax check plus disposable / role-account / free-provider flags.","url":"https://api.24klabs.ai/api/email-validate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string"}}},"responseSchema":{"type":"json","example":{"valid":true}},"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_OucNVXXeRzuDplEYLWvwp","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":"Validates an email address for RFC-5322 syntax correctness and flags it as disposable, role-account, or from a free email provider.","exampleAgentPrompt":"Can you check whether 'john.doe@mailinator.com' is a valid email address, and tell me if it's disposable, a role account, or from a free email provider?","exampleUseCases":[{"title":"Filter disposable emails at signup","prompt":"Before we create an account for this user, can you validate 'tmpuser123@guerrillamail.com' and tell me if it's a throwaway or disposable address we should reject?"},{"title":"Detect role accounts in lead list","prompt":"I have a lead email 'support@bigcorp.com' — can you check if it's a role-based address like a shared inbox rather than a real person's email?"},{"title":"Pre-send email quality check","prompt":"Before I send this newsletter, validate 'jane.smith@gmail.com' and confirm it passes RFC-5322 syntax and flag whether it's from a free provider."}],"resultDescription":"Returns a validation result indicating whether the email passes RFC-5322-ish syntax rules, plus boolean flags indicating whether the address is from a known disposable email service, is a role-based account (e.g. info@, admin@, support@), or belongs to a free email provider (e.g. Gmail, Yahoo).","failureModes":["Missing or malformed input email returns a validation error","Network timeout if the service is temporarily unavailable","Edge-case RFC-5322 syntax variants may be misclassified","Free-provider or disposable domain lists may be outdated"],"whenToPreferThis":"Use this endpoint when you need lightweight, fast email validation combined with disposable/role/free-provider classification in a single call — especially useful at user registration, lead qualification, or before sending transactional emails. Prefer it over pure syntax validators when you also need to flag low-quality or fraudulent email sources.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:01.362Z","isFirstParty":false}