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x402-seller.onrender.com has 17 x402 endpoints in our catalog. Right now: 12 proceed, 5 caution. 12 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 |
|---|---|---|---|---|---|
| /currency/rate | A | Proceed | 100% | 537 ms | Yes |
| /earthquakes/recent | A | Proceed | 100% | 535 ms | Yes |
| /electricity/price | A | Proceed | 100% | 533 ms | Yes |
| /gas/price | A | Proceed | 100% | 537 ms | Yes |
| /geo/lookup | A | Proceed | 100% | 517 ms | Yes |
| /geo/reverse | A | Proceed | 100% | 509 ms | Yes |
| /nuclear/outages | A | Proceed | 100% | 499 ms | Yes |
| /ocean/tides | A | Proceed | 100% | 496 ms | Yes |
| /space/asteroids | A | Proceed | 100% | 452 ms | Yes |
| /treasury/debt | A | Proceed | 100% | 468 ms | Yes |
| /water/streamflow | A | Proceed | 100% | 499 ms | Yes |
| /weather/forecast | A | Proceed | 100% | 478 ms | Yes |
| /air/quality | C | Caution | 100% | 528 ms | – |
| /chain/balance | C | Caution | 100% | 550 ms | – |
| /oil/price | C | Caution | 100% | 472 ms | – |
| /payments/history | C | Caution | 100% | 478 ms | – |
| /sec/filings-search | C | Caution | 100% | 469 ms | – |
12 of x402-seller.onrender.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.