{"uid":"cap_odXFO_GVS8OB_Upv-tjBy","slug":"bulk-sparkpost-email-hosting-checker-a98f21e0","name":"Bulk SparkPost Email Hosting Checker","description":"Bulk is email hosted by sparkpost: 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. $0.10 per batch.","url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/sparkpost?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_ha6er4hrjSnzp8cIX-iLT","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 in one concurrent batch to determine whether each domain's email is hosted by SparkPost, returning results in input order with per-item error fields and a failure count.","exampleAgentPrompt":"Can you check all 20 domains on my list at once and tell me which ones have their email hosted by SparkPost, including any that errored out?","exampleUseCases":[{"title":"Sales prospecting email provider audit","prompt":"I have a list of 15 prospect company domains — can you batch-check all of them and tell me which ones are using SparkPost to host their email, so I know which prospects to flag for our SparkPost-specific outreach campaign?"},{"title":"Competitor email infrastructure analysis","prompt":"Here are 18 domains from companies in our industry: acme.com, globex.com, initech.com, and 15 more — check all of them in one shot and tell me which are on SparkPost, which aren't, and flag any that had lookup errors."},{"title":"Email vendor migration verification","prompt":"We just migrated several client domains to SparkPost — can you run a bulk check on these 12 domains and confirm which ones are now correctly showing SparkPost as their email host, and highlight any that still haven't switched over?"}],"resultDescription":"An ordered list of results matching the input domain order, where each item contains a boolean indicating whether the domain's email is hosted by SparkPost, a per-item error field if the lookup failed, and an overall failure count for the batch.","failureModes":["More than 20 domains submitted — batch size limit exceeded","DNS lookup failure for one or more domains — per-item error field populated","Invalid domain format — per-item error returned","Network timeout on concurrent MX resolution — failure count incremented","Payment not completed (x402) — entire batch rejected before processing"],"whenToPreferThis":"Use this endpoint when you have a list of 2–20 domains and need to check SparkPost hosting for all of them efficiently in a single call rather than making separate single-domain requests. It is more cost-effective and faster than looping over the single-domain endpoint, and returns results in the same order as input with granular per-item error reporting, making it ideal for pipeline enrichment or audit workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:47:27.848Z","isFirstParty":false,"canonicalSlug":"bulk-sparkpost-email-hosting-checker-a98f21e0"}