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SPF Authorizes Constant Contact Checker
x402
SPF Authorizes Constant Contact Checker is a paid API for AI agents from email.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).
Checks whether a domain's SPF record authorizes Constant Contact to send email on its behalf, returning yes/no, the matching mechanism, and the full SPF record.
Price / call$0.01
Success—
StatusUnknown
How this service works
Does the domain's SPF record authorise constantcontact to send its mail? Reads the SPF TXT record (Cloudflare DoH) and checks for constantcontact'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 indicating whether Constant Contact is authorized by the domain's SPF record, the specific matching SPF mechanism (e.g. include:spf.constantcontact.com or an IP mechanism), and the full raw SPF TXT record retrieved via Cloudflare DNS-over-HTTPS.
Example use cases
Verify Constant Contact onboarding setup
“We just set up Constant Contact for our marketing emails at acmecorp.com — can you confirm the SPF record actually includes Constant Contact so our campaigns won't go to spam?”
Audit unexpected SPF sender
“I want to audit the SPF record for mybrand.io and check whether Constant Contact is authorized — I didn't think we use them and want to know if they're unexpectedly listed.”
Troubleshoot email deliverability issue
“Our Constant Contact newsletters for clientdomain.com keep landing in spam — can you pull the SPF record and tell me whether Constant Contact is actually authorized in it?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/email/spf-authorizes/constantcontact?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need to verify Constant Contact's SPF authorization status for a domain, rather than a general SPF parser. It is purpose-built for the Constant Contact ESP and returns a clear yes/no plus the matching mechanism, making it ideal for onboarding checks, deliverability audits, or detecting unauthorized senders without needing to parse raw SPF records yourself.
Side effects
- Domain has no SPF TXT record — returns no authorization with empty record
- Domain does not exist or DNS lookup fails — returns an error or empty result
- SPF record exists but Constant Contact is not included — returns no with full record shown
- Malformed SPF record that cannot be parsed — may return incomplete mechanism details
- Rate limiting or DoH resolution timeout from Cloudflare — transient lookup failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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