{"uid":"cap_Zn_U8k_AOoJW3IQ2OH3mO","slug":"halowerk-buerowerk-email-suppression-list-apply-e8882cbd","name":"HALOWERK buerowerk — Email Suppression List Apply","description":"HALOWERK buerowerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.","url":"https://buero.halowerk.com/v1/baumarkt/mail/suppression-list-apply?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"emails":{"$ref":"#/$defs/me5877878f0"},"suppressed_emails":{"$ref":"#/$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_2qgMMff9R2_H3ZGpUfdQ9","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":"Filters a list of emails against a suppression list and returns only the non-suppressed (sendable) emails","exampleAgentPrompt":"I have a list of emails I want to send a newsletter to — can you filter out any addresses that appear in my suppression list before I send? Here are my target emails: [alice@example.com, bob@example.com, carol@example.com] and my suppressed emails: [bob@example.com, dave@example.com].","exampleUseCases":[{"title":"Pre-campaign suppression filtering","prompt":"Before I send out this week's marketing email, filter these 50 recipient emails against our suppression list so we don't accidentally email people who've opted out. Target list: [user1@example.com, user2@example.com, ...], suppression list: [optout1@example.com, optout2@example.com, ...]."},{"title":"Unsubscribe compliance check","prompt":"I need to make sure we're GDPR-compliant — can you cross-check our outbound email list against our known unsubscribers and give me back only the addresses that are safe to contact?"},{"title":"Automated drip campaign gating","prompt":"Our drip campaign is about to trigger for these leads. Run them against the suppression list first and only return the ones that aren't suppressed so we don't email people who've asked to be removed."}],"resultDescription":"A JSON response containing the subset of input emails that are not present in the suppression list, effectively returning the safe-to-send addresses after applying suppression rules.","failureModes":["Invalid email format in either list causing a validation error","Empty emails array resulting in an empty or error response","Malformed JSON body returning a 400 bad request","Network timeout if either list is very large","Payment failure via x402 protocol resulting in a 402 response before processing"],"whenToPreferThis":"Use this endpoint when you need a simple, pay-per-call API to apply a suppression list to a batch of emails before sending — ideal for agents or automation workflows that manage email campaigns and need to filter out opted-out or blocked addresses without maintaining a full ESP subscription. Prefer this over building custom suppression logic or using heavyweight email platform APIs when you only need the filtering step.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T07:08:11.264Z","isFirstParty":false,"canonicalSlug":"halowerk-buerowerk-email-suppression-list-apply-e8882cbd"}