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x402.outpimp.com x402 API: grades and paid tests

x402.outpimp.com has 65 x402 endpoints in our catalog. Right now: 64 proceed, 1 caution. 64 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.

Every endpoint on x402.outpimp.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
/qrCodeGenerateA Proceed100% 192 msYes
/regexTestA Proceed100% 188 msYes
/rentalPropertyCalculatorA Proceed100% 196 msYes
/savingsRateCalculatorA Proceed100% 197 msYes
/semverCompareA Proceed100% 208 msYes
/solveLinearEquationA Proceed100% 203 msYes
/statisticsSummaryA Proceed100% 210 msYes
/teslaSavingsCalculatorA Proceed100% 203 msYes
/unitConvertA Proceed100% 212 msYes
/unitConvertScientificA Proceed100% 197 msYes
/upworkFeeCalculatorA Proceed100% 203 msYes
/urlDecodeA Proceed100% 194 msYes
/urlEncodeA Proceed100% 209 msYes
/windfallFireImpactCalculatorA Proceed100% 195 msYes
/jsonSchemaValidateC Caution100% 206 ms–

About x402.outpimp.com

Is x402.outpimp.com safe to pay?

64 of x402.outpimp.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 x402.outpimp.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 x402.outpimp.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.