Payments on Base + Solana
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market.memoryapi.org has 10 x402 endpoints in our catalog. Right now: 9 proceed, 1 avoid. 9 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/market/arbitrage | A | Proceed | 100% | 442 ms | Yes |
| /x402/market/earnings | A | Proceed | 100% | 447 ms | Yes |
| /x402/market/holdings | A | Proceed | 100% | 458 ms | Yes |
| /x402/market/preipo | A | Proceed | 100% | 432 ms | Yes |
| /x402/market/tokenized | A | Proceed | 100% | 426 ms | Yes |
| /x402/market/analyst | B | Proceed | 99% | 427 ms | Yes |
| /x402/market/calendar | B | Proceed | 100% | 438 ms | Yes |
| /x402/market/cex_arb | B | Proceed | 100% | 462 ms | Yes |
| /x402/market/news_sentiment | B | Proceed | 100% | 442 ms | Yes |
| /x402/market/indices | F | Avoid | 14% | 447 ms | – |
9 of market.memoryapi.org'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. 1 is rated Avoid, so check the exact endpoint before paying. 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.