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Signal Forge Studio - Message Match Checker
x402
Signal Forge Studio - Message Match Checker is a paid API for AI agents from signalforgestudios.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-15).
Checks whether a public business URL's landing page content matches a specific phrase or promise (message match validation)
Price / call$0.03
Success—
StatusUnknown
How this service works
Signal Forge Studio makes printable wall art and small digital kits for online sellers.
Output
Returns a JSON object with an array of checks, each containing a code (e.g. 'promise_not_found'), the phrase searched, and a status ('review', 'pass', 'fail'). Also includes evidence showing which URL was sampled and whether the HTML was truncated, an overall assessment field, and a limitations note clarifying that literal text checks do not establish semantic equivalence.
Example use cases
Ad promise vs landing page audit
“I'm running a Google Ad that says 'free shipping on all orders' — can you check if my landing page at https://myshop.com/products actually mentions that promise anywhere on the page?”
Etsy seller kit consistency check
“I just updated my Etsy shop page at https://myetsyshop.com and I want to make sure it still says 'instant digital download' — can you verify that phrase is actually on the page?”
Pre-launch campaign validation
“Before I launch my campaign, can you verify that the phrase 'money-back guarantee' actually appears somewhere on https://newbrand.com/offer so my ads won't mislead customers?”
Technical details
Endpoint
POSThttps://signalforgestudios.com/x402/message-matchWhen to prefer
Use this endpoint when you need a quick, automated literal-text check to confirm whether a specific phrase or marketing promise appears on a public URL — especially useful for ad message match audits, CRO checks, or pre-launch campaign validation for digital sellers and online shops. Prefer this over manual review or full SEO crawlers when you need a lightweight, per-phrase spot-check with a clear pass/review/fail verdict.
Side effects
- URL is inaccessible or returns non-200 status — check may return no evidence
- Phrase is present semantically but not literally — status may be 'review' despite effective match
- HTML is truncated for very large pages — partial content analyzed only
- Dynamic or JavaScript-rendered content not captured — phrase may be missed if loaded client-side
- Invalid or malformed URL input — request may fail or return empty evidence
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"checks": [
{
"code": "promise_not_found",
"phrase": "free",
"status": "review"
}
],
"evidence": {
"sampled_url": "https://example.com",
"html_truncated": false
},
"assessment": "review",
"limitations": [
"Literal text checks do not establish semantic equivalence."
]
},
"meta": {
"example_only": true
},
"success": true
}
}Tags
x402
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