{"uid":"cap_sVwy6sJ5Be1UzKZa5tXVu","slug":"halowerk-email-list-cleaner-2ec4813f","name":"Halowerk Email List Cleaner","description":"Up to 500 input addresses, billed per supplied row including duplicates/invalid rows: 0.0001 USDC per address, minimum 0.003 and maximum 0.050. Reuses the existing mail checker; one inflight domain lookup is shared within the bounded process and existing domain cache is retained. Original rows, exact-local-part/IDNA-domain duplicates, candidates, removals and review cases remain traceable. No mailbox proof without SMTP; SMTP disabled, catch-all unknown, no email sent.","url":"https://buero.halowerk.com/v1/email-list-clean?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":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8B5H15ooTSk8RbX-N5ZnL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates and cleans a batch of up to 500 email addresses, flagging duplicates, invalid formats, and suspicious domains without sending any email.","exampleAgentPrompt":"Can you clean this list of email addresses for me? I have about 200 contacts I collected from a sign-up form and I want to remove duplicates, invalid formats, and any suspicious ones before I import them into my mailing list.","exampleUseCases":[{"title":"Pre-campaign email list scrub","prompt":"I have a CSV with 350 subscriber emails from our last webinar. Can you clean the list, remove any duplicates and invalid addresses, and tell me which ones need review before I send the follow-up campaign?"},{"title":"CRM import deduplication","prompt":"Before I import these 180 contact emails into our CRM, can you run them through a validation check to strip out malformed addresses, exact duplicates, and anything that looks risky?"},{"title":"Lead database hygiene","prompt":"We scraped about 400 email addresses from our sign-up forms over the past year and I suspect there's a lot of junk in there. Can you validate and deduplicate the whole list and flag anything I should manually review?"}],"resultDescription":"Returns the original rows with each address classified — confirmed valid, duplicate (exact local-part and IDNA-normalized domain), candidate for removal, or flagged for manual review. Domain cache is shared within the process. No SMTP mailbox verification is performed; catch-all status is reported as unknown. Traceable per-row output allows downstream filtering.","failureModes":["List exceeds 500 addresses — request rejected","Empty list or all items fail minimum length — validation error","Malformed JSON input schema — 400 error","Addresses with non-ASCII domains are IDNA-normalized; normalization failures may flag the row","Catch-all domain detection returns unknown when SMTP is disabled","Billing minimum of 0.003 USDC charged even for very small lists"],"whenToPreferThis":"Choose this endpoint when you need bulk email hygiene on up to 500 addresses in a single call, with per-row traceability for duplicates, invalid formats, and suspicious domains — without triggering any SMTP probes or sending email. Prefer it over SMTP-verifying services when avoiding mailbox pings is a compliance or deliverability concern. Best suited for pre-import CRM hygiene, pre-send campaign scrubbing, or periodic contact database maintenance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:31:17.154Z","isFirstParty":false,"canonicalSlug":"halowerk-email-list-cleaner-2ec4813f"}