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x402-niche-briefs.fly.dev x402 API: grades and paid tests

x402-niche-briefs.fly.dev has 145 x402 endpoints in our catalog. Right now: 39 proceed, 106 caution. 39 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.

Every endpoint on x402-niche-briefs.fly.dev

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
/v1/b2b-agent-service-ideasC Caution100% 469 ms–
/v1/bestbuy-marketplace-categoryC Caution100% 453 ms–
/v1/bom-cost-rollupC Caution99% 426 ms–
/v1/bopis-margin-calcC Caution100% 430 ms–
/v1/bullwhip-effect-scorerC Caution100% 399 ms–
/v1/bundle-pricing-optimizerC Caution100% 408 ms–
/v1/ca-sb54-packaging-epr-checkC Caution99% 438 ms–
/v1/canada-bilingual-cpl-label-checkC Caution100% 410 ms–
/v1/cash-conversion-cycleC Caution100% 398 ms–
/v1/ce-marking-doc-checkC Caution100% 410 ms–
/v1/chargeback-reason-code-guideC Caution99% 403 ms–
/v1/cold-chain-spoilage-riskC Caution100% 380 ms–
/v1/container-cbm-load-optimizerC Caution100% 390 ms–
/v1/cpsc-1610-flammability-checkC Caution100% 382 ms–
/v1/cpsc-reeses-law-battery-checkC Caution100% 380 ms–
/v1/creator-cpa-emv-calcC Caution99% 363 ms–
/v1/customs-bond-calcC Caution100% 374 ms–
/v1/de-minimis-321-eligibilityC Caution100% 387 ms–
/v1/dim-divisor-optimizerC Caution100% 382 ms–
/v1/dimensional-weight-calcC Caution99% 363 ms–
/v1/duty-drawback-estimatorC Caution98% 363 ms–
/v1/early-payment-discount-aprC Caution98% 359 ms–
/v1/ebay-intl-shipping-eligibilityC Caution98% 358 ms–
/v1/ebay-promoted-listings-rateC Caution99% 348 ms–
/v1/ebay-vero-risk-checkC Caution100% 376 ms–
/v1/eoq-holding-cost-optimizerC Caution100% 377 ms–
/v1/etsy-handmade-policy-checkC Caution100% 361 ms–
/v1/etsy-offsite-ads-fee-impactC Caution99% 365 ms–
/v1/etsy-star-seller-calcC Caution98% 354 ms–
/v1/eu-battery-reg-2023-1542-checkC Caution98% 390 ms–
/v1/eu-eudr-deforestation-checkC Caution99% 417 ms–
/v1/factoring-po-financing-aprC Caution98% 378 ms–
/v1/faire-net60-cashflowC Caution100% 385 ms–
/v1/fba-fee-margin-calcC Caution100% 388 ms–
/v1/fcc-part15-label-checkC Caution100% 388 ms–
/v1/fda-cosmetic-inci-checkC Caution100% 388 ms–
/v1/ftc-green-guides-checkC Caution99% 370 ms–
/v1/ftc-made-in-usa-checkC Caution100% 375 ms–
/v1/google-merchant-feed-validatorC Caution99% 375 ms–
/v1/google-merchant-gtin-checkC Caution98% 379 ms–
/v1/google-play-data-safety-validatorC Caution98% 377 ms–
/v1/health-canada-cosmetic-hotlist-checkC Caution99% 389 ms–
/v1/homedepot-pro-onboardingC Caution98% 382 ms–
/v1/hs-tariff-section301-briefC Caution100% 389 ms–
/v1/iata-dgr-battery-shipping-calcC Caution99% 388 ms–
/v1/incoterms-2020-cost-splitC Caution99% 392 ms–
/v1/lacey-act-plant-declaration-checkC Caution98% 379 ms–
/v1/landed-cost-estimatorC Caution99% 372 ms–
/v1/ltl-nmfc-density-classC Caution100% 363 ms–
/v1/meta-ad-policy-checkC Caution99% 375 ms–

About x402-niche-briefs.fly.dev

Is x402-niche-briefs.fly.dev safe to pay?

39 of x402-niche-briefs.fly.dev'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 x402-niche-briefs.fly.dev 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 x402-niche-briefs.fly.dev? 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.