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Bulk Mailgun Email Hosting Checker
x402
Bulk Mailgun Email Hosting Checker is a paid API for AI agents from email.intel.rallylive.ca, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-20).
Checks up to 20 domains in a single call to determine whether each domain's email is hosted by Mailgun, returning results in input order with per-item errors and a failure count.
Price / call$0.1
Success—
StatusUnknown
How this service works
Bulk is email hosted by mailgun: 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 contains a boolean indicating whether the domain is hosted by Mailgun, a per-item error field if the check failed, and an overall failure count for the batch.
Example use cases
Email provider audit for prospect list
“I've got a list of 18 prospect domains from our CRM — can you check all of them in one go to see which ones are using Mailgun for their email hosting?”
Sales targeting by email platform
“We want to reach out to companies that use Mailgun. Can you check these 20 domains at once and tell me which ones are Mailgun-hosted so we can prioritize them?”
Infrastructure compliance review
“Before we migrate these domains, I need to confirm which of our 12 client domains are currently on Mailgun — can you run them all at once and flag any errors?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/bulk/email/hosted-by/mailgun?utm_source=zero.xyzWhen to prefer
Use this endpoint when you have a list of 2–20 domains and need to check Mailgun hosting status for all of them efficiently in a single call. Prefer this over the single-domain endpoint when processing batches to reduce latency and cost. Choose this over generic DNS tools when you specifically need to identify Mailgun-hosted domains with a clean boolean result and error handling per item.
Side effects
- Input list exceeds 20 domains — batch size limit exceeded
- Invalid or malformed domain names cause per-item errors with error field populated
- DNS lookup failures via Cloudflare DoH result in per-item errors rather than whole-batch failure
- Payment not accepted or insufficient funds causes 402 response blocking the call
- Domains with unusual or missing MX records may return false negatives
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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