{"uid":"cap_Tubl6cbNTcqaoDhXIlz--","slug":"is-email-hosted-by-improvmx-bulk-54c685e0","name":"is-email-hosted-by-improvmx-bulk","description":"Bulk is email hosted by improvmx: 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. $0.10 per batch.","url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/improvmx?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_8DjfectTpcwsCHP0JaCKq","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":"Bulk-checks up to 20 domains in one call to determine whether each domain's email is hosted by ImprovMX, returning results in input order with per-item error fields and a failure count.","exampleAgentPrompt":"Check whether each of these domains is hosted by ImprovMX for email: example1.com, example2.com, example3.com, example4.com, example5.com — give me the results in order with any errors flagged.","exampleUseCases":[{"title":"Sales lead email provider screening","prompt":"I have a list of 15 prospect domains from our CRM — can you check all of them at once to see which ones are using ImprovMX for their email hosting? Here they are: acme.io, brightco.com, swiftdeal.net, ... I want the results in the same order with any failures noted."},{"title":"Fraud detection domain audit","prompt":"Flag any domains in this batch that rely on ImprovMX for email, since we consider that a risk signal for throwaway business identities — please check all 20 at once: domain1.com through domain20.com."},{"title":"Email infrastructure migration audit","prompt":"Before we migrate, I need to know which of these 12 client domains are currently on ImprovMX for email hosting — run them all through at once and tell me the outcome per domain with any lookup errors."}],"resultDescription":"An ordered array of results (matching input order), each containing a boolean indicating whether the domain's email is hosted by ImprovMX, plus a per-item error field for any lookup failures, and an overall failure count for the batch.","failureModes":["DNS resolution failure for one or more domains returns per-item error rather than crashing the batch","More than 20 domains submitted causes rejection or truncation","Invalid domain format in input produces per-item error field","Network timeout on MX lookup returns error for affected item but other items still resolve","Payment failure (x402) prevents the call from executing entirely"],"whenToPreferThis":"Use this endpoint when you need to classify multiple domains (up to 20) for ImprovMX email hosting in a single call rather than making repeated single-domain requests. Prefer it over the single endpoint when processing lists of domains for batch enrichment workflows, lead scoring pipelines, or fraud screening. It's cost-effective at $0.10 per batch of up to 20 and returns results in input order, making it easy to zip back against your original list.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:38:56.108Z","isFirstParty":false,"canonicalSlug":"is-email-hosted-by-improvmx-bulk-54c685e0"}