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x402-research-iota.vercel.app has 6 x402 endpoints in our catalog. Right now: 5 caution, 1 too new. 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 |
|---|---|---|---|---|---|
| /api/firm/risk-snapshot | C | Caution | 100% | 388 ms | – |
| /api/signal-batch | C | Caution | 100% | 395 ms | – |
| /api/x402/approval-enumerate | C | Caution | 100% | 401 ms | – |
| /api/x402/preflight | C | Caution | 100% | 405 ms | – |
| /api/x402/settlement-status | C | Caution | 100% | 401 ms | – |
| /api/x402/invoice-decode | ? | Too new | – | – | – |
x402-research-iota.vercel.app'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.