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api.x-402.online x402 API: grades and paid tests

api.x-402.online has 72 x402 endpoints in our catalog. Right now: 50 proceed, 22 caution. 50 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.

Every endpoint on api.x-402.online

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/agent/taskC Caution100% 399 ms–
/v1/amazonC Caution100% 338 ms–
/v1/briefC Caution100% 334 ms–
/v1/chain/txC Caution100% 351 ms–
/v1/classifyC Caution100% 328 ms–
/v1/extract/verifiedC Caution100% 290 ms–
/v1/fr/kybC Caution100% 286 ms–
/v1/imageC Caution100% 242 ms–
/v1/llm/proC Caution100% 227 ms–
/v1/proxy/1gbC Caution100% 202 ms–
/v1/proxy/20gbC Caution100% 185 ms–
/v1/proxy/5gbC Caution100% 197 ms–
/v1/publishC Caution100% 209 ms–
/v1/renderC Caution100% 204 ms–
/v1/site/agent-readinessC Caution100% 226 ms–
/v1/sms/numberC Caution100% 255 ms–
/v1/social/searchC Caution100% 639 ms–
/v1/solveC Caution100% 210 ms–
/v1/transcribeC Caution100% 202 ms–
/v1/understandC Caution100% 213 ms–
/v1/us/briefC Caution100% 209 ms–
/v1/us/companyC Caution100% 214 ms–

About api.x-402.online

Is api.x-402.online safe to pay?

50 of api.x-402.online'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 api.x-402.online 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 api.x-402.online? 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.