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SPF Authorizes SparkPost Watch
x402
SPF Authorizes SparkPost 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 2026-10-19).
Monitors whether a domain's SPF record authorizes SparkPost to send its mail, alerting when the answer changes between checks.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for spf authorizes sparkpost: 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-authorizes-SparkPost answer (true/false), a 'changed' boolean comparing against the previous check stored for up to 90 days, the specific fields that changed with their before and after values, and the timestamp of when the status was last seen.
Example use cases
Competitor email platform migration detection
“Keep watching sendgrid.com's SPF record to see if it ever drops SparkPost authorization — notify me the moment that status changes from what it was before.”
Client deliverability compliance monitoring
“Set up a watch on myclient.com to detect if their SPF record stops authorizing SparkPost, so I know immediately if their transactional email setup breaks.”
Threat intelligence on phishing sender infrastructure
“Monitor suspectdomain.net's SPF record and alert me if it ever starts authorizing SparkPost — I want to know if they add SparkPost as a permitted sender.”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/watch/email/spf-authorizes/sparkpost?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need ongoing surveillance of a specific domain's SPF relationship with SparkPost rather than a one-time lookup. It is ideal for scheduled agent workflows that need to detect configuration drift, supply-chain email changes, or phishing infrastructure changes over time. Prefer it over a plain SPF check when you want change detection semantics and historical comparison built in.
Side effects
- Domain has no SPF TXT record — returns current answer as false with no change context
- First-time check for a domain — no prior result to compare against, changed will be false
- Domain does not exist or DNS lookup fails — error response from Cloudflare DoH
- Rate limiting or payment failure — 402 response if x402 payment not processed
- Stored result expired after 90 days — comparison baseline lost, treated as first call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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