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is-email-hosted-by-gmx-bulk
x402
is-email-hosted-by-gmx-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 2026-10-20).
Bulk-checks whether up to 20 domains have their email hosted by GMX, processing all concurrently and returning results in input order with per-item error fields.
Price / call$0.1
Success—
StatusUnknown
How this service works
Bulk is email hosted by gmx: 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
Returns an ordered array of results matching the input domain list. Each item contains a boolean indicating whether the domain's email is hosted by GMX (determined via MX record lookup using Cloudflare DoH), a per-item error field if the lookup failed, and an overall failure count for the batch.
Example use cases
Lead list email provider enrichment
“I have a list of 18 prospect domains I scraped — can you tell me which ones are using GMX to host their email? Here are the domains: [acme.com, widgets.de, shopfast.net, ...]”
Competitor infrastructure audit
“We're researching our competitors' tech stacks. Can you check these 12 company domains and flag any that are using GMX as their email host?”
CRM data quality validation
“Before we import these 20 domains into our CRM, can you verify which ones have GMX-hosted email so we can tag them correctly in the system?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/bulk/email/hosted-by/gmx?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to check multiple domains (up to 20) for GMX email hosting in a single API call rather than making individual requests. It is more efficient and cost-effective for batch enrichment workflows, lead list processing, or CRM tagging scenarios where you already hold a list of domains. Prefer the single endpoint if you only need to check one domain.
Side effects
- DNS resolution failure for one or more domains returns per-item error field with failure count incremented
- Invalid or malformed domain names result in per-item errors
- Exceeding 20 domains per batch may return a validation error
- Cloudflare DoH unavailability could cause lookup failures for all items
- Network timeouts on concurrent lookups may cause partial failures
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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