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is-email-hosted-by-startmail-bulk
x402
is-email-hosted-by-startmail-bulk is a paid API for AI agents from email.intel.rallylive.ca, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-18).
Checks whether up to 20 domains have their email hosted by StartMail, processing all items concurrently and returning results in input order with per-item error fields and a failure count.
Price / call$0.1
Success—
StatusUnknown
How this service works
Bulk is email hosted by startmail: 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.
Output
An ordered array of results matching the input domain list, where each item indicates whether that domain's email is hosted by StartMail (boolean or equivalent flag), along with a per-item error field for any lookup failures, and a top-level failure count summarizing how many items could not be resolved.
Example use cases
Screening privacy-focused email providers
“I have a list of 15 domains from our prospect database — can you check which of them are using StartMail for email hosting? I want to flag those contacts as likely privacy-conscious users.”
Email provider audit for compliance team
“We're auditing our vendor list and need to know which of these 20 vendor domains rely on StartMail for email. Can you run them all through at once and show me the results with any errors flagged?”
Competitive intelligence on StartMail adoption
“I'm doing research on StartMail adoption — can you batch-check these 18 domains and tell me how many of them are actually hosted by StartMail, and which ones failed to resolve?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/bulk/email/hosted-by/startmail?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you have a list of 2–20 domains and need to check StartMail hosting status for all of them in a single API call rather than making individual requests. It is ideal for bulk enrichment pipelines, compliance audits, or prospect screening workflows where per-item error handling and ordered results are important. Use the single-domain endpoint instead if you only need to check one domain at a time.
Side effects
- Invalid or malformed domain names return per-item errors rather than crashing the batch
- Domains with no MX records may return false or an error in the per-item field
- Exceeding the 20-domain limit may result in a request rejection or partial processing
- DNS resolution failures via Cloudflare DoH produce per-item error entries and increment the failure count
- Network timeouts for individual items are captured as per-item errors without failing the entire batch
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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