Payments on Base + Solana
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api.cortexcloud.org has 17 x402 endpoints in our catalog. Right now: 9 proceed, 8 caution. 9 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: B.
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 |
|---|---|---|---|---|---|
| /v1/aggregate/nfts | B | Proceed | 92% | 1,173 ms | Yes |
| /v1/aggregate/prices | B | Proceed | 92% | 1,159 ms | Yes |
| /v1/aggregate/tx-history | B | Proceed | 92% | 1,168 ms | Yes |
| /v1/data/block | B | Proceed | 92% | 1,120 ms | Yes |
| /v1/data/gas-oracle | B | Proceed | 90% | 1,137 ms | Yes |
| /v1/data/token-balances | B | Proceed | 90% | 1,092 ms | Yes |
| /v1/data/token-price | B | Proceed | 92% | 1,102 ms | Yes |
| /v1/data/tx-history | B | Proceed | 90% | 1,060 ms | Yes |
| /v1/data/wallet-intel | B | Proceed | 89% | 1,111 ms | Yes |
| /v1/aggregate/balances | C | Caution | 90% | 1,336 ms | – |
| /v1/data/cross-chain-compare | C | Caution | 91% | 1,159 ms | – |
| /v1/data/market-snapshot | C | Caution | 90% | 1,115 ms | – |
| /v1/data/nft-ownership | C | Caution | 89% | 1,122 ms | – |
| /v1/data/token-intel | C | Caution | 90% | 1,100 ms | – |
| /v1/data/token-risk | C | Caution | 91% | 1,116 ms | – |
| /v1/data/whale-alerts | C | Caution | 91% | 1,065 ms | – |
| /v1/webhooks/whale-alerts | C | Caution | 90% | 1,020 ms | – |
9 of api.cortexcloud.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. 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.