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SPF Authorizes Campaign Monitor Check
x402
SPF Authorizes Campaign Monitor Check is a paid API for AI agents from email.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-24).
Checks whether a domain's SPF record authorizes Campaign Monitor to send email on its behalf, returning a yes/no verdict, the matching SPF mechanism, and the full SPF record.
Price / call$0.01
Success—
StatusUnknown
How this service works
Does the domain's SPF record authorise campaign monitor to send its mail? Reads the SPF TXT record (Cloudflare DoH) and checks for campaign-monitor's include/ip mechanisms, returning yes/no, the matching mechanism and the full record. Confirms a vendor integration is wired for deliverability, or spots an unexpected sender. $0.01 per lookup.
Output
Returns a yes/no boolean indicating whether Campaign Monitor is authorized in the domain's SPF record, the specific SPF mechanism that matched (e.g. include:cmail1.com), and the complete SPF TXT record string as fetched via Cloudflare DNS over HTTPS.
Example use cases
Pre-send deliverability audit
“Before we launch our Campaign Monitor newsletter campaign for acme.com, can you confirm that Campaign Monitor is actually authorized in acme.com's SPF record so our emails won't be rejected?”
Detecting unauthorized sender
“Someone may have added Campaign Monitor to our SPF without approval — can you check if mybrand.com's SPF record currently authorizes Campaign Monitor and show me the full record?”
Onboarding vendor integration check
“We just finished setting up Campaign Monitor for clientsite.org — can you verify that their SPF record now includes Campaign Monitor so we know deliverability is properly configured?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/email/spf-authorizes/campaign-monitor?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, low-cost ($0.01) programmatic check of whether Campaign Monitor specifically is authorized as an email sender in a domain's SPF record. Prefer this over manual DNS lookups or generic SPF parsers when you need a structured yes/no verdict with the matched mechanism extracted automatically. Ideal for deliverability audits, vendor integration verification pipelines, or security monitoring of unexpected sender additions.
Side effects
- Domain has no SPF TXT record — returns no-authorization result or error
- Domain does not exist or DNS lookup fails via Cloudflare DoH
- SPF record exists but is malformed and cannot be parsed
- Campaign Monitor not found in SPF — returns 'no' with null mechanism
- Rate limiting or upstream DoH service unavailability
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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