Signal Forge x402 Services
POST https://signalforgestudios.com/x402/offer-change-check
Listed in x402 List · Data: x402-list.com (CC BY 4.0)
Fetch a public page and compare sampled literal headlines, currency prices, offer snippets and CTAs with a caller-supplied prior snapshot. Omit previous for a baseline. On-demand only: no scheduling, stored history or proof of complete page changes.
Other endpoints from signalforgestudios.com
The same service's other paid functions that Hagglyai tracks, each with its own price. Functions outside Hagglyai's categories are not listed.
| Endpoint | Category | Price per call |
|---|---|---|
| POST /x402/fetch | Web page extraction | $0.005 |
| POST /x402/prospect-qualifier | People & company enrichment | $0.01 |
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X POST "https://signalforgestudios.com/x402/offer-change-check"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-14 19:30 | No valid 402 | 400 | 1767 ms | not listed |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves