Herramientas Cobrables
GET https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/margin-calculator
Listed in x402 List · Data: x402-list.com (CC BY 4.0)
Calculate gross margin, net margin, and break-even point from business totals.. Small deterministic pay-per-use services for AI agents: JSON contract validation, business margin and break-even calculations, and public stock quotes. Payments settle with x402 v2 using USDC on Base.
Other endpoints from herramientas-cobrables.consultoressasic.chatgpt.site
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 |
|---|---|---|
| GET /api/paid/json-validate | Stocks & forex | $0.01 |
| GET /api/paid/stock-quote | Stocks & forex | $0.05 |
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 GET "https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/margin-calculator"
# 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 19:45 | Valid 402 | 402 | 483 ms | $0.25 |
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