{"apiVersion":"1.0.0","schemaVersion":1,"generatedAt":"2026-08-05T04:24:21.954Z","resource":{"id":"3496c01b21f070cae9a0c50e","key":"POST https://stem.x402.press/stem/ask","method":"POST","resourceUrl":"https://stem.x402.press/stem/ask","alternateResourceUrls":["https://stem.x402.press/stem/ask"],"canonicalUrl":"https://stem.x402.press/stem/ask","origin":"https://stem.x402.press","hostname":"stem.x402.press","groupId":"stem-x402-press-b3478831","providerName":"STEM","title":"STEM: POST /stem/ask","description":"Ask a multi-domain question combining chemistry, physics, and math computation.","tags":["computation","science","stem","x402"],"type":"http","x402Version":2,"routeTemplate":null,"input":{"type":"http","method":"POST","bodyType":"json","bodyFieldNames":["question"],"pathParamNames":[],"queryParamNames":[]},"iconUrl":null,"payment":{"networks":["eip155:137","eip155:42161","eip155:43114","eip155:8453"],"schemes":["exact"],"assets":["0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42","0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E","0xaf88d065e77c8cc2239327c5edb3a432268e5831"],"options":[{"network":"eip155:8453","scheme":"exact","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","amountAtomic":"250000","payTo":"0x3C74Ce3f8566Ff04B312320E7c264A691c409992","maxTimeoutSeconds":300,"tokenName":"USD Coin","tokenVersion":"2"},{"network":"eip155:8453","scheme":"exact","asset":"0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42","amountAtomic":"250000","payTo":"0x3C74Ce3f8566Ff04B312320E7c264A691c409992","maxTimeoutSeconds":300,"tokenName":"EURC","tokenVersion":"2"},{"network":"eip155:42161","scheme":"exact","asset":"0xaf88d065e77c8cc2239327c5edb3a432268e5831","amountAtomic":"750000","payTo":"0x3C74Ce3f8566Ff04B312320E7c264A691c409992","maxTimeoutSeconds":300,"tokenName":"USD Coin","tokenVersion":"2"},{"network":"eip155:137","scheme":"exact","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","amountAtomic":"625000","payTo":"0x3C74Ce3f8566Ff04B312320E7c264A691c409992","maxTimeoutSeconds":300,"tokenName":"USD Coin","tokenVersion":"2"},{"network":"eip155:43114","scheme":"exact","asset":"0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E","amountAtomic":"125000","payTo":"0x3C74Ce3f8566Ff04B312320E7c264A691c409992","maxTimeoutSeconds":300,"tokenName":"USD Coin","tokenVersion":"2"}],"acceptedPaymentCount":5,"priceUsd":null},"quality":{"l30DaysTotalCalls":30,"l30DaysUniquePayers":2,"lastCalledAt":"2026-07-24T07:57:16.537Z"},"registry":null,"sources":[{"id":"cdp-bazaar","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","observedAt":"2026-08-05T04:23:21.631Z","lastUpdated":"2026-07-24T07:57:17.372Z","recordKey":"POST https://stem.x402.press/stem/ask"}],"verification":{"level":"origin-reachable","checkedAt":"2026-08-05T02:58:16.198Z","structural":{"ok":true,"normalized":true,"publicHttpUrl":true},"sourceConfirmed":true,"crossSource":false,"registryPaymentValid":null,"originCheck":{"scope":"origin","reachable":true,"statusCode":405,"method":"OPTIONS","checkedAt":"2026-08-05T02:57:28.447Z","latencyMs":824,"error":null},"quoteCheck":{"scope":"exact-route","outcome":"not-safely-testable","attempted":false,"requestedMethod":null,"statusCode":null,"finalUrl":"https://stem.x402.press/stem/ask","redirectCount":0,"checkedAt":"2026-08-05T02:58:16.198Z","latencyMs":null,"reason":"potentially-mutating-method:POST","requirementCount":0},"quote":null,"paidCall":{"verified":false,"checkedAt":null,"network":null,"receiptReference":null,"outputReviewed":false}},"curation":{"status":"discovered","basis":"discovery-only","matchScope":null,"listingSlug":null,"providerListingSlug":null,"listingName":null,"kind":null,"categories":[],"editorialDescription":null,"docsUrl":null,"sourceUrl":null}}}