{"uid":"cap_mc5l2Y4zxFMmc9QsCGrMy","slug":"is-email-hosted-by-kolab-bulk-5d308934","name":"is-email-hosted-by-kolab-bulk","description":"Bulk is email hosted by kolab: 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. $0.10 per batch.","url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/kolab?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_e9tNCOVUYWQZGf-eXzc_G","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 whether up to 20 domains have their email hosted by Kolab in a single concurrent batch call, returning ordered results with per-item error fields.","exampleAgentPrompt":"Can you check whether these 15 domains all use Kolab for their email hosting: example.com, acme.org, testco.io, ... — I need results for each one with any errors flagged?","exampleUseCases":[{"title":"Prospect list email provider audit","prompt":"I have a list of 18 prospect company domains and I need to know which ones are running their email on Kolab — can you check all of them at once and tell me which ones match?"},{"title":"Competitive intelligence on Kolab adoption","prompt":"Can you run a batch check on these 20 domains to see which ones are hosted by Kolab mail? I'm trying to map out how widely Kolab is used among European organizations."},{"title":"CRM domain enrichment for email routing","prompt":"I'm enriching our CRM — can you check these 12 domains and flag which ones have Kolab as their email host so I know which contacts to route through our Kolab-compatible workflow?"}],"resultDescription":"An ordered array of results corresponding to the input domains, each containing a boolean indicating whether the domain's email is hosted by Kolab (based on MX record matching via Cloudflare DoH), a per-item error field if the lookup failed, and a summary failure count for the batch.","failureModes":["DNS lookup failure for one or more domains (per-item error field populated)","Domain not resolvable or no MX records found","Batch exceeds 20-domain limit","Rate limiting or payment failure (x402 protocol)","Transient Cloudflare DoH unavailability causing partial results"],"whenToPreferThis":"Use this endpoint when you have a list of 2–20 domains and need to check Kolab hosting status for all of them efficiently in a single call rather than making repeated single-domain requests. Prefer this over the single endpoint whenever you're doing bulk enrichment, auditing a prospect list, or building a pipeline that classifies email providers at scale.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:36:46.869Z","isFirstParty":false,"canonicalSlug":"is-email-hosted-by-kolab-bulk-5d308934"}