Payments on Base + Solana
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api.printmoneylab.com has 9 x402 endpoints in our catalog. Right now: 8 proceed, 1 caution. 8 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/exchange-alerts | A | Proceed | 100% | 738 ms | Yes |
| /api/v1/fx-rate | A | Proceed | 100% | 722 ms | Yes |
| /api/v1/kimchi-premium | A | Proceed | 100% | 717 ms | Yes |
| /api/v1/kr-news/kpop | A | Proceed | 100% | 722 ms | Yes |
| /api/v1/kr-prices | A | Proceed | 100% | 782 ms | Yes |
| /api/v1/market-movers | A | Proceed | 100% | 690 ms | Yes |
| /api/v1/stablecoin-premium | A | Proceed | 100% | 694 ms | Yes |
| /api/v1/arbitrage-scanner | A | Proceed | 97% | 822 ms | Yes |
| /api/v1/krw-macro-stress | C | Caution | 100% | 708 ms | – |
8 of api.printmoneylab.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.