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mpp.tracefast.xyz has 11 x402 endpoints in our catalog. Right now: 3 proceed, 7 caution, 1 free. 4 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 |
|---|---|---|---|---|---|
| /api/v1/chains/1/consensus/current | A | Proceed | 100% | 482 ms | Yes |
| /api/v1/chains/1/consensus/queues | A | Proceed | 100% | 486 ms | Yes |
| /api/v1/chains/1/tokens/stats | A | Proceed | 100% | 465 ms | Yes |
| /api/v1/chains/1/consensus/proposers | C | Caution | 100% | 462 ms | – |
| /api/v1/chains/1/contracts/:address/bytecode | C | Caution | 100% | 390 ms | – |
| /api/v1/chains/1/contracts/:address/selectors | C | Caution | 100% | 388 ms | – |
| /api/v1/chains/1/entities/:address/attributes | C | Caution | 100% | 513 ms | – |
| /api/v1/chains/1/entities/:address/relations/history | C | Caution | 100% | 459 ms | – |
| /api/v1/chains/1/resolve | C | Caution | 100% | 481 ms | – |
| /api/v1/chains/1/risk/blacklists/:address | C | Caution | 100% | 413 ms | – |
| /api/v1/chains/1/blocks/latest | ? | Free | 0% | – | Yes |
3 of mpp.tracefast.xyz'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.