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SPF Authorizes SendGrid Change Watch
x402
SPF Authorizes SendGrid 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 2026-10-19).
Monitors whether a domain's SPF record authorizes SendGrid as a mail sender, alerting when that status changes between calls.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for spf authorizes sendgrid: 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-SendGrid answer (true/false), a boolean 'changed' flag indicating whether the result differs from the previous call for the same domain, a list of fields that changed with their before and after values, and the timestamp of when the result was last seen. Previous results are retained for 90 days for comparison.
Example use cases
Deliverability drift alerting for SaaS
“Monitor example.com to see if its SPF record still includes SendGrid authorization — notify me right away if that status has flipped since the last check.”
Onboarding SPF compliance verification
“We just onboarded a new customer at customerdomain.io who should have added SendGrid to their SPF. Check whether that's in place now and flag it if it changed from what you saw before.”
Scheduled SPF audit for email infrastructure
“Run the SPF-SendGrid check on newsletter-domain.com and tell me whether it's changed since you last looked — I need to know what fields shifted and what the before and after values were.”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/watch/email/spf-authorizes/sendgrid?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need ongoing change detection for a specific domain's SPF authorization of SendGrid, rather than a one-off lookup. It is ideal for scheduled polling workflows where you want to be alerted only when the SPF configuration actually changes, avoiding noise from repeated static checks. Use it when you need a historical comparison baseline (90-day retention) and structured before/after diff output rather than just the current state.
Side effects
- Domain not resolvable or DNS lookup failure — check returns an error or inconclusive result
- No prior call stored for the domain — 'changed' may be undefined or baseline not available
- Domain parameter missing or malformed — request rejected with validation error
- SPF record temporarily unavailable due to DNS propagation — may return stale or inconsistent data
- Service timeout if DNS resolution takes too long
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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