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email-provider-detect-bulk
x402
email-provider-detect-bulk is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Identifies the email hosting provider (e.g. Google Workspace, Microsoft 365, custom) for up to 20 email addresses or domains in a single concurrent batch call, returning results in input order with per-item error fields.
Price / call$0.1
Success—
StatusUnknown
How this service works
Bulk email provider detect: up to 20 emails 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/provider endpoint (Email provider detection for an address or domain). Batch enrichment for agents that hold a list. $0.01 per batch.
Output
An ordered array of results matching the input list, where each item contains the detected email provider name and classification for that address or domain. Each item also includes a per-item error field indicating any lookup failure. A top-level failure count summarizes how many items could not be resolved.
Example use cases
CRM contact list enrichment
“I have a list of 15 leads from our CRM — can you find out which email provider each of them uses? Here are the addresses: sales@contoso.com, info@fabrikam.org, hello@northwind.biz, support@alphatech.io, contact@betasoft.com, admin@gammacorp.net, team@deltaworks.co, hi@epsilonlabs.com, office@zetagroup.io, reach@etainc.com, mail@thetacloud.net, hello@iotadev.com, info@kappastart.co, contact@lambdamedia.net, support@mupay.com.”
Sales routing by mail platform
“Before we send our cold outreach campaign, can you check whether these 10 prospect domains use Google Workspace or Microsoft 365: prospect1.com, prospect2.io, prospect3.co, prospect4.net, prospect5.org, prospect6.biz, prospect7.ai, prospect8.tech, prospect9.ca, prospect10.com?”
Email deliverability pre-flight check
“We're about to launch an email sequence to a new batch of contacts — can you quickly detect the email hosting provider for each of these addresses so we know which ones are on shared infrastructure vs. enterprise providers: dev@startupA.io, cto@startupB.com, founder@startupC.co, ceo@startupD.net, ops@startupE.org?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/bulk/email/providerWhen to prefer
Prefer this endpoint when you need to enrich a list of email addresses or domains with their hosting provider in bulk (up to 20 at once) and want concurrent processing with results in input order. It is more cost-efficient than calling the single /email/provider endpoint 20 times separately. Best suited for CRM enrichment workflows, sales prospecting pipelines, or deliverability pre-checks where you already hold a list of contacts.
Side effects
- Invalid or malformed email address in the batch — per-item error field populated, item skipped
- Batch size exceeds 20 items — request rejected
- Unresolvable domain (no MX records or DNS failure) — per-item error returned
- Network timeout to upstream DNS/MX lookup — item marked as failed
- All 20 items fail — full failure count returned with no provider data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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