{"uid":"cap__d3yB3NduNQ_xpErb4HOi","slug":"halowerk-buerowerk-blocked-domain-email-filter-1cf2349c","name":"HALOWERK buerowerk — Blocked Domain Email Filter","description":"HALOWERK buerowerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.","url":"https://buero.halowerk.com/v1/baumarkt/mail/blocked-domain-apply?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"emails":{"$ref":"#/$defs/me5877878f0"},"blocked_domains":{"$ref":"#/$defs/me5877878f0"}}},"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_NcB8O0ZB7oS0P2tyOKIAl","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":"Checks a list of email addresses against a list of blocked domains and returns which emails are affected or applies the block rule.","exampleAgentPrompt":"Check these emails — user@tempmail.com, contact@legit.org, hello@blocked-domain.net — against my blocked domain list [tempmail.com, blocked-domain.net] and tell me which ones are flagged.","exampleUseCases":[{"title":"Spam signup prevention for SaaS","prompt":"I have a list of new signups: user1@guerrillamail.com, user2@proton.me, user3@mailinator.com — can you check them against my blocked domains list [guerrillamail.com, mailinator.com] and tell me which registrations to reject?"},{"title":"Marketing list hygiene","prompt":"Before I send my newsletter campaign, screen these subscriber emails against our domain blocklist [spamhaus.net, trashmail.com] and flag which ones I should remove from the list."},{"title":"B2B lead qualification filter","prompt":"We collected leads at a trade show — can you run these emails through our blocked domain filter to weed out any personal or throwaway addresses before we push them to the CRM? Blocked domains are: gmail.com, yahoo.com, hotmail.com."}],"resultDescription":"Returns a JSON response indicating which email addresses match the provided blocked domains, allowing the caller to identify, filter, or reject emails associated with unwanted or prohibited domains.","failureModes":["Missing or malformed emails array returns a validation error","Missing or empty blocked_domains list may result in no matches being returned","Invalid email format in the input list may cause parsing errors","Payment failure via x402 protocol returns HTTP 402 before processing","Empty input arrays may return an empty result set without error"],"whenToPreferThis":"Use this endpoint when you need to programmatically screen a batch of email addresses against a custom or curated list of blocked domains — for example, to enforce signups from business emails only, filter out disposable email providers, or apply compliance-driven domain bans. Prefer this over client-side filtering when you need a consistent, server-enforced blocklist applied across multiple services.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T00:58:02.574Z","isFirstParty":false,"canonicalSlug":"halowerk-buerowerk-blocked-domain-email-filter-1cf2349c"}