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dns-txt-pay-subdomain
x402
dns-txt-pay-subdomain is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).
Looks up the TXT DNS record for the pay.<domain> subdomain via Cloudflare DNS over HTTPS and reports existence, records, and TTL.
Price / call$0.01
Success—
StatusUnknown
How this service works
TXT record of pay.<domain>: looks up the pay host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like pay without enumerating subdomains. $0.01 per lookup.
Output
Returns whether the pay.<domain> subdomain exists, its TXT DNS record values, the TTL, and the DNS response code (e.g. NOERROR, NXDOMAIN).
Example use cases
Verify payment subdomain DNS setup
“Check if pay.mycompany.com has any TXT records configured in DNS — I want to confirm the subdomain is actually set up before we go live.”
Audit competitor payment domain
“Does pay.shopify.com have TXT DNS records? I'd like to see what records and TTL are returned.”
Diagnose missing pay subdomain
“We're having issues with our payment flow — can you check whether pay.acmecorp.io exists in DNS and what TXT records it has?”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/host/pay/txt?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, targeted existence and TXT record check specifically for the pay subdomain of a domain, without enumerating all subdomains. Prefer this over general DNS lookup tools when you only care about the pay host and want Cloudflare DoH resolution with minimal cost.
Side effects
- Domain does not exist — NXDOMAIN response with no records
- pay subdomain has no TXT records — exists but empty result
- Cloudflare DoH unreachable — upstream timeout or error
- Invalid domain input — malformed domain rejected
- Payment failure — $0.01 USDC charge fails, request not processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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