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x402-data-api.sigrunner.workers.dev x402 API: grades and paid tests

x402-data-api.sigrunner.workers.dev has 68 x402 endpoints in our catalog. Right now: 28 proceed, 40 caution. 28 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.

Every endpoint on x402-data-api.sigrunner.workers.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
/ai/askA Proceed99% 557 msYes
/chain/allowanceA Proceed100% 577 msYes
/chain/balanceA Proceed100% 545 msYes
/chain/blockA Proceed100% 478 msYes
/chain/block-numberA Proceed100% 468 msYes
/chain/codeA Proceed99% 466 msYes
/chain/erc20-metaA Proceed99% 468 msYes
/chain/gas-priceA Proceed99% 446 msYes
/chain/is-contractA Proceed99% 450 msYes
/chain/nonceA Proceed100% 442 msYes
/chain/proxy-infoA Proceed100% 419 msYes
/chain/receiptA Proceed99% 394 msYes
/chain/storage-atA Proceed100% 388 msYes
/chain/token-balanceA Proceed99% 402 msYes
/chain/token-reportA Proceed99% 393 msYes
/chain/token-securityA Proceed100% 377 msYes
/chain/total-supplyA Proceed100% 370 msYes
/chain/txA Proceed100% 373 msYes
/chain/walletA Proceed100% 385 msYes
/crypto/fear-greedA Proceed100% 295 msYes
/defi/fees-topA Proceed99% 212 msYes
/defi/protocol-riskA Proceed99% 207 msYes
/defi/safe-yieldsA Proceed100% 193 msYes
/gate/swapA Proceed99% 206 msYes
/crypto/fundingB Proceed99% 290 msYes
/crypto/pricesB Proceed100% 219 msYes
/defi/yieldsB Proceed99% 204 msYes
/pm/marketsB Proceed99% 223 msYes
/ai/classifyC Caution100% 451 ms–
/ai/extractC Caution99% 460 ms–
/ai/summarizeC Caution99% 524 ms–
/ai/translateC Caution100% 509 ms–
/brief/marketC Caution100% 506 ms–
/chain/blob-base-feeC Caution100% 441 ms–
/chain/btc-usdC Caution100% 266 ms–
/chain/eth-usdC Caution100% 267 ms–
/chain/fee-estimateC Caution100% 359 ms–
/chain/fee-historyC Caution100% 216 ms–
/chain/l1-base-feeC Caution100% 200 ms–
/chain/link-usdC Caution100% 85 ms–
/chain/network-statusC Caution100% 59 ms–
/chain/pricesC Caution100% 55 ms–
/chain/simulateC Caution100% 70 ms–
/chain/sol-usdC Caution100% 61 ms–
/chain/wallet-screenC Caution100% 52 ms–
/crypto/categoriesC Caution100% 361 ms–
/crypto/derivatives-exchangesC Caution100% 330 ms–
/crypto/exchanges-topC Caution99% 346 ms–
/crypto/globalC Caution100% 245 ms–
/crypto/markets-topC Caution100% 232 ms–

About x402-data-api.sigrunner.workers.dev

Is x402-data-api.sigrunner.workers.dev safe to pay?

28 of x402-data-api.sigrunner.workers.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-data-api.sigrunner.workers.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-data-api.sigrunner.workers.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.