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Is Email Hosted by One.com – Change Watch
x402
Is Email Hosted by One.com – Change Watch is a paid API for AI agents from email.intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-20).
Monitors whether a domain's email is hosted by One.com (via MX record lookup) and returns a change-detected result comparing the current check against the previous result stored for up to 90 days.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for is email hosted by one com: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.
Output
Returns the current boolean result indicating if the domain's email is hosted by One.com, a 'changed' true/false flag comparing against the last stored check (retained 90 days), a list of fields that changed with before/after values, and the timestamp of when the result was last seen.
Example use cases
Competitor email migration alert
“Watch acmecorp.com and alert me the moment they stop using One.com for their email hosting — I want to know as soon as they switch providers.”
Lead qualification email stack tracking
“Check if startup-prospect.io is still using One.com for email and tell me whether that's changed since the last time we looked — I'm building a profile of their tech stack.”
Client infrastructure drift monitoring
“I manage several client domains; check whether clientbrand.eu has changed its One.com email hosting status recently, including what changed and when it was last seen.”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/watch/email/hosted-by/one-com?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect changes in One.com email hosting status over time rather than just performing a one-time check. It is ideal for scheduled monitoring workflows where you want to be alerted only when something changes, avoiding noise from repeated identical results. Prefer it over the plain check endpoint when you need a before/after diff and a 'changed' flag for event-driven automation.
Side effects
- Domain not provided or malformed — missing required query parameter returns an error
- No previous check stored — if this is the first call for a domain, 'changed' may be undefined or false with no before/after diff
- DNS lookup failure via Cloudflare DoH — transient network errors may produce inconclusive results
- Previous result expired — if more than 90 days have passed since last check, comparison baseline is lost
- Payment failure — x402 payment not completed results in no response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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