{"uid":"cap_48tDn9IIj4_m7fOfnmb7z","slug":"catch-all-hint-bulk-08922414","name":"catch-all-hint-bulk","description":"Bulk catch all hint: up to 20 domains in one call, processed concurrently, results returned in input order with a per-item error field and a count of failures. Same answer per item as the single /email/catch-all-hint endpoint (Catch-all mailbox hint). Batch enrichment for agents that hold a list. $0.01 per batch.","url":"https://intel.rallylive.ca/bulk/email/catch-all-hint","method":"GET","headers":{},"bodySchema":{"type":"object","$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_xVWzvMtIlswhCpGzwbpp0","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 call to determine if each has a catch-all (accept-all) mailbox configuration, returning results in input order with per-item errors.","exampleAgentPrompt":"Check all 20 domains in my prospect list — acme.com, globex.io, initech.net, and 17 others — to see which ones have catch-all mailbox configurations so I know which email addresses might be risky to send to.","exampleUseCases":[{"title":"Lead list email deliverability enrichment","prompt":"I have a list of 15 company domains from my CRM — salesforce.com, hubspot.com, zendesk.com, and 12 more — can you check which of them have catch-all email setups so my sales team knows which contacts might have fake or risky addresses?"},{"title":"Cold outreach risk screening","prompt":"Before we send our campaign, check these 20 domains for catch-all mailbox status: mailchimp.com, constantcontact.com, sendgrid.com, and 17 others — flag any that accept all email so we can mark them as uncertain in our bounce risk report."},{"title":"Email verification pipeline batch step","prompt":"As part of cleaning our subscriber list, run a catch-all hint check on all 20 domains I'm sending you — I need to know which ones accept every address so we can deprioritize those contacts in our verification workflow."}],"resultDescription":"An ordered array of per-domain results matching the input order, each containing the catch-all hint status (same answer as the single /email/catch-all-hint endpoint), a per-item error field if the lookup failed, and a top-level count of total failures across the batch.","failureModes":["Invalid or malformed domain names return per-item errors without failing the whole batch","Exceeding 20 domains per call results in a request error","Network timeouts on individual domains contribute to the failure count","Domains with no MX records may return indeterminate catch-all status","Rate limiting or payment failure blocks the entire batch call"],"whenToPreferThis":"Use this endpoint when you have a list of 2–20 domains and need catch-all mailbox hints for all of them efficiently in a single paid call rather than making multiple sequential single-domain requests. It is the right choice for lead enrichment pipelines, cold outreach pre-screening, and email verification workflows where batch throughput matters and you want results in the same order as your input.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:02.199Z","isFirstParty":false}