{"uid":"cap_bV56e7V3NejMnDNyOjnLM","slug":"halowerk-buerowerk-empty-domain-label-email-review-0f5c400a","name":"HALOWERK buerowerk — Empty Domain Label Email Review","description":"HALOWERK buerowerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.","url":"https://buero.halowerk.com/v1/baumarkt/mail/empty-domain-label-review?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"emails":{"type":"array","items":{"type":"string","maxLength":320,"minLength":1},"maxItems":500,"minItems":1}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vhbK-vwmOzmkIOJC5SgRs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates a batch of email addresses by checking for empty domain label issues (e.g. double dots or leading/trailing dots in the domain part)","exampleAgentPrompt":"Can you review this list of email addresses and flag any that have empty domain label problems — things like double dots or missing segments in the domain part? Here are the addresses: user@example.com, bad..address@test.com, another@.broken.org.","exampleUseCases":[{"title":"Pre-send campaign email list cleanup","prompt":"Before I send out this marketing email, check these 200 addresses for empty domain label issues so we don't waste sends or hurt our deliverability: [list of emails]."},{"title":"CRM data quality audit","prompt":"I just exported our CRM contacts and I want to make sure none of the email addresses have broken domain labels like double dots or leading dots — can you run them through a check?"},{"title":"Sign-up form submission validation","prompt":"We got a batch of new user registrations overnight — can you scan all their email addresses and tell me which ones have empty domain label errors so I can flag those accounts before activation?"}],"resultDescription":"A JSON response indicating which of the submitted email addresses contain empty domain label issues (e.g. consecutive dots, leading or trailing dots in the domain portion), allowing the caller to identify and remove or correct malformed addresses.","failureModes":["Empty emails array — returns validation error","Email string exceeds 320 character limit — rejected","Array exceeds 500 items — request rejected","Malformed JSON body — 400 error","Payment not attached or insufficient USDC — 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need to specifically detect empty domain label defects (double dots, leading/trailing dots in domain segments) in bulk email lists — distinct from general email syntax validation. Ideal for pre-send list hygiene, CRM data quality pipelines, or sign-up validation where RFC-compliant domain labels are critical for deliverability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T00:37:58.190Z","isFirstParty":false,"canonicalSlug":"halowerk-buerowerk-empty-domain-label-email-review-0f5c400a"}