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math-stats.x402tookit.com has 10 x402 endpoints in our catalog. Right now: 10 caution. Best grade: C.
Best grades first. Open an endpoint for its full history: uptime, price and payout-wallet changes, and paid-test results with signed receipts.
| Endpoint | Grade | Verdict | Uptime (7 days) | Response time | Paid test passed |
|---|---|---|---|---|---|
| /ab-test | C | Caution | 93% | 515 ms | – |
| /combinatorics | C | Caution | 92% | 529 ms | – |
| /confidence-interval | C | Caution | 93% | 503 ms | – |
| /correlation | C | Caution | 93% | 533 ms | – |
| /distribution | C | Caution | 93% | 523 ms | – |
| /gcd-lcm | C | Caution | 91% | 521 ms | – |
| /prime-factor | C | Caution | 89% | 546 ms | – |
| /sample-size | C | Caution | 88% | 511 ms | – |
| /stats-describe | C | Caution | 89% | 539 ms | – |
| /t-test | C | Caution | 89% | 575 ms | – |
math-stats.x402tookit.com's endpoints work in monitoring, but delivery isn't confirmed by a paid test yet, so they're rated Caution. Set a low spend limit, or have your agent call check_payment with the exact quote first.
Lumière PayCheck checks every endpoint about every 30 minutes: does it answer with a valid x402 quote, is the price and payout wallet stable. Then we pay some of them for real and check the response against what the listing promised. Failures are re-tested before they count. How it works.
Yes, for free. Call check_payment (API or MCP) with the endpoint, amount and payTo from the 402 quote, and pay only if it returns allow. Check an endpoint now.