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whale.hugen.tokyo x402 API: grades and paid tests

whale.hugen.tokyo has 3 x402 endpoints in our catalog. Right now: 1 proceed, 2 caution. 1 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.

Every endpoint on whale.hugen.tokyo

Best grades first. Open an endpoint for its full history: uptime, price and payout-wallet changes, and paid-test results with signed receipts.

EndpointGradeVerdictUptime (7 days)Response timePaid test passed
/whale/lookupA Proceed100% 935 msYes
/whale/activityC Caution100% 946 ms–
/whale/movementsC Caution100% 944 ms–

About whale.hugen.tokyo

Is whale.hugen.tokyo safe to pay?

1 of whale.hugen.tokyo's endpoints is 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.

How are these grades made?

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.

Can my agent check whale.hugen.tokyo before paying?

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.

Do you run whale.hugen.tokyo? Prove your endpoints work: get tested, check your setup, or add endpoints we're missing. Every seller's results are public, here and in the full catalog.