Payments on Base + Solana
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signal-engine-production-d88d.up.railway.app has 13 x402 endpoints in our catalog. Right now: 13 proceed. 13 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 |
|---|---|---|---|---|---|
| /v1/arena/rsi_7_extremes/BTC | A | Proceed | 100% | 449 ms | Yes |
| /v1/arena/ema_5_breakout/DOGE | B | Proceed | 100% | 443 ms | Yes |
| /v1/arena/rsi_7_extremes/DOGE | B | Proceed | 100% | 432 ms | Yes |
| /v1/arena/rsi_7_extremes/ETH | B | Proceed | 100% | 444 ms | Yes |
| /v1/arena/rsi_7_extremes/SOL | B | Proceed | 100% | 456 ms | Yes |
| /v1/arena/rsi_reversion_swing/BTC | B | Proceed | 100% | 447 ms | Yes |
| /v1/arena/rsi_reversion_swing/DOGE | B | Proceed | 100% | 425 ms | Yes |
| /v1/arena/rsi_reversion_swing/ETH | B | Proceed | 100% | 414 ms | Yes |
| /v1/arena/rsi_reversion_swing/SOL | B | Proceed | 100% | 414 ms | Yes |
| /v1/arena/vwap_reversion/BTC | B | Proceed | 100% | 416 ms | Yes |
| /v1/arena/vwap_reversion/DOGE | B | Proceed | 100% | 395 ms | Yes |
| /v1/arena/vwap_reversion/ETH | B | Proceed | 100% | 416 ms | Yes |
| /v1/arena/vwap_reversion/SOL | B | Proceed | 100% | 394 ms | Yes |
13 of signal-engine-production-d88d.up.railway.app'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.