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Payments on Base + Solana

Payments on Base + Solana

Home › Sellers › saylorinnovations.com

saylorinnovations.com x402 API: grades and paid tests

saylorinnovations.com has 1,677 x402 endpoints in our catalog. Right now: 1,145 proceed, 322 caution, 210 avoid. 1,354 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: B.

Every endpoint on saylorinnovations.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/music/fretboardC Caution87% 186 ms–
/api/music/intervalC Caution87% 180 ms–
/api/music/key-finderC Caution87% 178 ms–
/api/music/pitch-noteC Caution87% 179 ms–
/api/music/progressionC Caution87% 181 ms–
/api/music/scale-notesC Caution87% 179 ms–
/api/music/transposeC Caution69% 177 ms–
/api/numwords/englishC Caution87% 204 ms–
/api/nutrition/bmiC Caution87% 207 ms–
/api/nutrition/bmrC Caution87% 452 ms–
/api/nutrition/macrosC Caution86% 220 ms–
/api/ops/oeeC Caution87% 187 ms–
/api/ops/quality-sigmaC Caution87% 192 ms–
/api/ops/queueingC Caution87% 180 ms–
/api/ops/takt-timeC Caution87% 183 ms–
/api/outdoors/solunarC Caution87% 218 ms–
/api/outdoors/trip-briefC Caution87% 316 ms–
/api/payroll/hourlyC Caution87% 354 ms–
/api/pets/age-converterC Caution86% 190 ms–
/api/pets/calorie-needsC Caution87% 179 ms–
/api/pets/toxic-foodsC Caution87% 180 ms–
/api/photo/astro-exposureC Caution87% 184 ms–
/api/photo/depth-of-fieldC Caution87% 185 ms–
/api/photo/exposure-equivalentsC Caution86% 182 ms–
/api/photo/field-of-viewC Caution87% 180 ms–
/api/photo/hyperfocalC Caution87% 179 ms–
/api/photo/print-sizeC Caution87% 179 ms–
/api/physics/collisionC Caution87% 181 ms–
/api/physics/fluidsC Caution87% 186 ms–
/api/physics/heatC Caution87% 182 ms–
/api/physics/kinematicsC Caution87% 176 ms–
/api/physics/orbitC Caution87% 177 ms–
/api/physics/relativityC Caution87% 178 ms–
/api/physics/waves-soundC Caution87% 182 ms–
/api/poker/hand-equityC Caution87% 189 ms–
/api/poker/outs-pot-oddsC Caution87% 201 ms–
/api/preview/socialC Caution87% 191 ms–
/api/print3d/filament-costC Caution69% 157 ms–
/api/print3d/print-timeC Caution87% 201 ms–
/api/quilt/fabricC Caution87% 179 ms–
/api/realestate/brrrrC Caution87% 189 ms–
/api/realestate/cap-rateC Caution87% 203 ms–
/api/realestate/closing-costsC Caution87% 201 ms–
/api/realestate/flip-analysisC Caution87% 178 ms–
/api/realestate/invest-projectionC Caution87% 177 ms–
/api/realestate/ltvC Caution87% 178 ms–
/api/realestate/mortgageC Caution87% 178 ms–
/api/recalls/consumerC Caution51% 159 msYes
/api/retail/markdownC Caution87% 343 ms–
/api/retirement/monte-carloC Caution87% 189 ms–

About saylorinnovations.com

Is saylorinnovations.com safe to pay?

1,145 of saylorinnovations.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. 210 are rated Avoid, so check the exact endpoint before paying. 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 saylorinnovations.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 saylorinnovations.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.