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ads-txt-watch
x402
ads-txt-watch is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Monitors ads.txt file changes for a domain by comparing the current check against the previous result, returning what changed, which fields changed, and when it was last seen.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for ads txt: runs the check and compares it with the result from your previous call for the same domain (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when ads changes. $0.01 per check.
Output
Returns the current ads.txt check result, a boolean 'changed' flag indicating whether anything differs from the previous call for the same domain, a field-level diff showing exactly which entries changed with their before and after values, and a timestamp of when the result was last seen. Previous results are retained for 90 days.
Example use cases
Unauthorized ads.txt modification alert
“Check if the ads.txt on mybrandsite.com has changed since the last check and tell me exactly which lines are different — I need to know if anyone tampered with it.”
Scheduled publisher compliance monitoring
“Every day, watch the ads.txt for publishernetwork.com and report back with a true/false on whether anything changed, and if so, show me the before and after values for each field that shifted.”
Ad fraud investigation diff check
“Run an ads.txt watch on suspecteddomain.com and show me what the current ads.txt looks like versus what was recorded last time, including which specific entries appeared or disappeared.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/watch/site/ads-txtWhen to prefer
Use this endpoint when you need to detect changes in a domain's ads.txt file over time on a scheduled basis. It is ideal for compliance monitoring, fraud detection, or audit workflows where you need field-level diffs (before/after values) rather than just the current state. Prefer this over a one-off ads.txt fetch when you need the historical comparison built in without managing your own state.
Side effects
- Domain not found or no ads.txt file present — may return empty or error result
- First call for a domain has no previous result to compare against, so 'changed' may be undefined or false by default
- Domain parameter missing or malformed — likely returns a 400-level error
- Stored previous result expired after 90 days — comparison baseline lost
- Network timeout reaching the target domain's ads.txt URL
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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