{"uid":"cap_qhFgGeL5ANmCOb4-T9HXG","slug":"bulk-proton-mail-hosting-checker-e081cd1e","name":"Bulk Proton Mail Hosting Checker","description":"Bulk is email hosted by proton mail: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/proton-mail?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IOdltU4xgX0eATWHJfDhp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks up to 20 domains at once to determine whether each domain's email is hosted by Proton Mail, returning results in input order with per-item error fields.","exampleAgentPrompt":"I have a list of 15 domains — proton.me, tutanota.com, example.org, and 12 others — can you check all of them at once to see which ones are actually hosting their email through Proton Mail?","exampleUseCases":[{"title":"Sales lead email provider screening","prompt":"I've got a list of 18 prospect domains from our CRM — can you batch check which ones are using Proton Mail for their email hosting so I can flag the privacy-conscious ones?"},{"title":"Security team provider audit","prompt":"We need to audit our vendor list for email hosting providers — can you check these 20 domains all at once and tell me which ones are on Proton Mail, including any that error out?"},{"title":"Competitive research domain classification","prompt":"I'm researching privacy-focused companies and have 12 domains to check — can you bulk verify which of them are hosted on Proton Mail and give me the results in the same order I give them to you?"}],"resultDescription":"An ordered array of results (one per input domain) indicating whether each domain's email is hosted by Proton Mail, plus a per-item error field for any that failed, and an aggregate failure count for the batch.","failureModes":["More than 20 domains submitted — batch limit exceeded","Invalid or malformed domain entries cause per-item errors without failing the whole batch","Network or DNS resolution failures for individual domains populate the per-item error field","All items fail — full failure count returned with empty or all-errored result array"],"whenToPreferThis":"Use this endpoint when you have a list of 2–20 domains and need to check Proton Mail hosting for all of them efficiently in a single call. It processes items concurrently and preserves input order, making it ideal for bulk enrichment pipelines, CRM data augmentation, or security audits. Prefer the single-domain endpoint only when checking one domain at a time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:42:33.189Z","isFirstParty":false,"canonicalSlug":"bulk-proton-mail-hosting-checker-e081cd1e"}