{"uid":"cap_JvCfdeaA9OA4b_DM4yzlz","slug":"x402broker-email-validator-d7cda4bb","name":"x402broker Email Validator","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://x402broker.com/v1/email-validator)","url":"https://x402broker.com/v1/email-validator?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USD","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":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"},{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_kuh4WwekGKV6RDc0_EkmH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null},{"uid":"pm_jFy6LxzGOcbKYPRCo_QOR","protocol":"mpp","methodType":"crypto","chain":"tempo","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":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX, SPF, and DMARC record verification","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically whether it's from a disposable provider, whether it's a role account, and whether the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"Signup fraud screening for SaaS","prompt":"Before we create an account for this new user, check if the email they gave us — signup@tempmail.io — is a burner or disposable address, and whether the domain has real MX records so we know they can actually receive our confirmation email."},{"title":"Email list hygiene before campaign","prompt":"We're about to send a newsletter blast to a list of 500 addresses — can you verify whether marketing@bigcorp.com is deliverable, not a role account, and whether bigcorp.com has valid SPF and DMARC records set up?"},{"title":"B2B lead enrichment validation","prompt":"I've got a sales lead with the email ceo@startupxyz.com — can you verify if it's syntactically valid, not a catch-all role account, and whether startupxyz.com has MX records so I know it's worth reaching out?"}],"resultDescription":"Returns a structured report indicating email syntax validity, whether the provider is a known disposable or burner service, whether the address is a role account (e.g. info@, admin@, support@), and live DNS lookup results for the domain's MX, SPF, and DMARC records, giving a comprehensive deliverability assessment.","failureModes":["Invalid or missing email query parameter returns an error response","DNS lookup timeouts if the target domain's nameservers are slow or unresponsive","Unknown or newly created domains may lack MX/SPF/DMARC records and return empty results","Disposable provider list may not include very new burner email services","Rate limiting if too many requests are sent in rapid succession"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive single-call check combining syntax validation, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC record verification for an email address. It is ideal for B2B lead screening, SaaS signup fraud prevention, and pre-send email list hygiene where you need more than just syntax checking. Prefer this over simple regex validators when live DNS deliverability and spam-protection record verification matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T15:01:36.318Z","isFirstParty":false,"canonicalSlug":"x402broker-email-validator-d7cda4bb"}