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4yearcycle.com has 12 x402 endpoints in our catalog. Right now: 3 proceed, 9 caution. 3 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.
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 |
|---|---|---|---|---|---|
| /x402/fx-rates | A | Proceed | 100% | 566 ms | Yes |
| /x402/tenders | A | Proceed | 100% | 788 ms | Yes |
| /x402/web-search | A | Proceed | 100% | 796 ms | Yes |
| /x402/btc | C | Caution | 100% | 656 ms | – |
| /x402/defi-yields | C | Caution | 100% | 515 ms | – |
| /x402/derivatives | C | Caution | 100% | 584 ms | – |
| /x402/eu-grants | C | Caution | 100% | 508 ms | – |
| /x402/flights | C | Caution | 100% | 505 ms | – |
| /x402/gas-oracle | C | Caution | 100% | 473 ms | – |
| /x402/news-headlines | C | Caution | 100% | 499 ms | – |
| /x402/token-safety | C | Caution | 100% | 480 ms | – |
| /x402/weather-de | C | Caution | 100% | 497 ms | – |
3 of 4yearcycle.com's endpoints are rated Proceed: reliable in monitoring with a stable price and payout wallet, and the best ones delivered in a real paid test. Grades are per endpoint, so look up the one your agent is about to pay.
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.