{"uid":"cap_XMr49C9Z-NqFju1M6p9w5","slug":"websterberry-synaptic-email-domain-validator-68096d4b","name":"WebsterBerry Synaptic Email/Domain Validator","description":"Validate an email address or domain before outreach: syntax, MX records, SPF and DMARC, disposable and role-based detection, free-mail flag and domain age.","url":"https://synaptic.websterberrymarketing.com/agents/06-email-domain-validator?utm_source=zero.xyz","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","properties":{"email":{"type":"string","description":"Email address to check"},"domain":{"type":"string","description":"Domain to check (alternative to email)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_Cut-OghS9JSKOJb7Y7rUy","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":"Validates an email address or domain for outreach readiness by checking syntax, MX records, SPF/DMARC configuration, disposable/role-based detection, free-mail flag, and domain age.","exampleAgentPrompt":"Before I add john.smith@acmecorp.io to my outreach list, can you validate that email — check the syntax, MX records, SPF and DMARC setup, and whether it's disposable or role-based?","exampleUseCases":[{"title":"Pre-outreach email list scrubbing","prompt":"I'm about to send a cold email campaign — can you validate marketing@techstartup.com and flag whether it's role-based, disposable, or missing MX records before I add it to my sequence?"},{"title":"New lead domain health check","prompt":"A prospect just signed up with the domain newbizventures.co — can you check whether that domain has valid MX and DMARC records and tell me how old it is? I want to know if it's legit before I invest time in them."},{"title":"CRM hygiene before import","prompt":"I have an email address support@quickfixtools.net that I'm about to import into our CRM — please verify it's not role-based or from a disposable provider, and confirm the domain has proper SPF and MX records set up."}],"resultDescription":"Returns a structured report on the email or domain including: syntax validity, MX record presence and details, SPF and DMARC record status, whether the address is from a disposable/temporary provider, whether it is a role-based address (e.g. info@, admin@), whether the domain is a known free-mail provider, and the age of the domain.","failureModes":["Neither email nor domain query parameter provided — returns error","Invalid or malformed email syntax passed — may return syntax failure with no DNS checks","Domain does not exist or has no DNS records — MX/SPF/DMARC checks return negative","Rate limiting or upstream DNS lookup timeout — transient failure","Private or reserved domain names may produce incomplete results"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive pre-outreach email hygiene check that combines syntax validation, DNS/MX record lookup, email authentication policy checks (SPF/DMARC), and deliverability signals (disposable, role-based, free-mail, domain age) in a single call. It is especially useful for B2B sales and marketing workflows where deliverability and sender reputation matter. Prefer it over basic syntax validators when you need DNS-level and policy-level signals, and over generic WHOIS lookups when email-specific deliverability context is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:41:28.527Z","isFirstParty":false,"canonicalSlug":"websterberry-synaptic-email-domain-validator-68096d4b"}