{"uid":"cap_55WuoI1jFNn3sxJ7t19SP","slug":"domain-format-check-for-email-operations-de42032c","name":"Domain Format Check for Email Operations","description":"Domain format check for Email operations: Check a hostname for valid public-domain syntax and normalize IDNs. DNS data only; does not send email or verify that an inbox exists.","url":"https://market.datapackvibe.com/x402/demand-domain-domain-format-email-operations?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","default":"example.com","description":"Public DNS domain, e.g. example.com."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XpjUR-WMpv9S8vxF0hvj6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates that a hostname has correct public-domain syntax and normalizes internationalized domain names (IDNs); uses DNS data only and does not send email or verify inbox existence.","exampleAgentPrompt":"Can you check whether 'bücher.example.de' is a valid public domain format and give me its normalized form?","exampleUseCases":[{"title":"Pre-send email domain validation","prompt":"Before I send out this bulk email campaign, can you check that 'münchen-marketing.de' has a valid public-domain format and normalize it if it's an internationalized domain?"},{"title":"User registration input validation","prompt":"A user just signed up with the email domain 'xn--nxasmq6b.com' — can you verify whether that's a syntactically valid public domain and what its normalized form looks like?"},{"title":"CRM data cleanup for email domains","prompt":"I'm cleaning up our contact database and want to check if 'payroll.corp.內部' is a properly formatted public domain name before we use it in email workflows."}],"resultDescription":"Returns whether the provided hostname passes valid public-domain syntax rules and, for internationalized domain names (IDNs), the normalized (ACE/Punycode) form. Does not perform inbox verification or send any email — DNS-level format checking only.","failureModes":["Invalid or malformed domain string returns a syntax error or invalid flag","Private/reserved domains (e.g. localhost, .local, .internal) may be flagged as non-public","Extremely long domain labels or TLDs may fail length validation","Network or service unavailability returns a 402 or 5xx error","Empty or missing domain field returns a validation error"],"whenToPreferThis":"Choose this endpoint when you need to validate that a domain string is syntactically correct as a public domain and/or normalize an IDN to its ASCII-compatible encoding (Punycode) — especially as a lightweight pre-flight check before attempting email delivery or storing domain data. Do not use this if you need to verify that a specific inbox or mailbox exists, check MX records, or actually send an email.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:37.337Z","isFirstParty":false,"canonicalSlug":"domain-format-check-for-email-operations-de42032c"}