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SPF Authorizes Customer.io – Change Watch
x402
SPF Authorizes Customer.io – 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 2026-10-24).
Monitors whether a domain's SPF record authorizes Customer.io to send mail, returning a diff (changed true/false, before/after values) compared to the previous call for the same domain.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for spf authorizes customerio: 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 SPF authorization answer (true/false for whether Customer.io is authorized), a changed flag indicating whether the result differs from the previous call (stored up to 90 days), a list of fields that changed with before/after values, and the timestamp of when the domain was last seen.
Example use cases
Alert on Customer.io SPF removal
“Watch mailchimp-competitor.com's SPF record and tell me immediately if Customer.io gets removed as an authorized sender — I need to know the moment that changes.”
Compliance audit for email vendor
“Check whether our client domain brandexample.com still has Customer.io authorized in its SPF record, and compare it against what you saw last time so I can see if anything drifted.”
Onboarding verification for new customer
“I just helped a customer set up Customer.io for newclient.io — can you check if their SPF record now authorizes Customer.io and tell me whether it changed from the last check?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/watch/email/spf-authorizes/customerio?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to detect changes to a domain's Customer.io SPF authorization over time, rather than just a one-time lookup. It is purpose-built for scheduled polling workflows where you want to be alerted if Customer.io is added or removed from an SPF record, maintaining 90-day result history for diffing.
Side effects
- Domain not previously checked — no baseline exists for comparison, changed flag may be absent or null
- Domain SPF record unavailable or DNS lookup fails — check cannot complete
- Invalid domain format provided — request rejected
- 90-day history window exceeded — previous result no longer available, treated as first check
- Rate limiting or payment failure — $0.02 USDC per call required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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