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asin402.com x402 API: grades and paid tests

asin402.com has 16 x402 endpoints in our catalog. Right now: 4 proceed, 12 caution. 4 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.

Every endpoint on asin402.com

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
/api/data/dealsA Proceed100% 373 msYes
/api/data/finderA Proceed100% 362 msYes
/api/data/topsellersA Proceed100% 327 msYes
/api/productA Proceed100% 329 msYes
/api/compare-marketplacesC Caution100% 452 ms–
/api/data/bestsellersC Caution100% 378 ms–
/api/data/categoryC Caution100% 388 ms–
/api/data/category-searchC Caution100% 368 ms–
/api/data/productC Caution100% 352 ms–
/api/data/searchC Caution100% 348 ms–
/api/data/sellerC Caution100% 346 ms–
/api/deal-checkC Caution100% 341 ms–
/api/fba-profitC Caution100% 332 ms–
/api/lookupC Caution100% 322 ms–
/api/sell-scoreC Caution100% 350 ms–
/api/watchC Caution100% 334 ms–

About asin402.com

Is asin402.com safe to pay?

4 of asin402.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.

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 asin402.com 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 asin402.com? 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.