{"staticExample":true,"notice":"Demonstration data only; purchase the endpoint for fresh analysis.","requestExample":{"url":"https://apiacre.com/v1/developer/openapi-audit","method":"POST","body":{"document":"{\"openapi\":\"3.1.0\",\"info\":{\"title\":\"Example\",\"version\":\"1\"},\"paths\":{}}","format":"json"},"market_query":"audit","market_limit":1},"purchase":{"endpoint":"https://apiacre.com/v1/developer/x402-preflight","method":"POST","protocol":"x402","network":"eip155:8453","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"asset":"USDC","exactAmount":"0.05","authorizationRequired":true,"fullHandoffUrl":"https://apiacre.com/catalog/developer.x402-preflight","browserCheckoutUrl":"https://apiacre.com/try/developer.x402-preflight","documentationUrl":"https://apiacre.com/services/developer.x402-preflight","sampleUrl":"https://apiacre.com/samples/developer.x402-preflight","buyerGuideUrl":"https://apiacre.com/buyers","coinbaseAgenticWallet":{"client":"official-coinbase","payCommand":"npx --yes awal@latest x402 pay https://apiacre.com/v1/developer/x402-preflight \\\n  -X POST \\\n  -d '{\"url\":\"https://apiacre.com/v1/developer/openapi-audit\",\"method\":\"POST\",\"body\":{\"document\":\"{\\\"openapi\\\":\\\"3.1.0\\\",\\\"info\\\":{\\\"title\\\":\\\"Example\\\",\\\"version\\\":\\\"1\\\"},\\\"paths\\\":{}}\",\"format\":\"json\"},\"market_query\":\"audit\",\"market_limit\":1}' \\\n  --max-amount 50000 \\\n  --json","documentationUrl":"https://docs.cdp.coinbase.com/agentic-wallet/cli/skills/pay-for-service","maximumUsdc":"0.05","maximumAtomicUsdc":"50000","authenticationRequired":true,"copyingCommandPays":false,"runningCommandMayPay":true},"agentcash":{"client":"third-party","checkCommand":"npx --yes agentcash@latest check https://apiacre.com/v1/developer/x402-preflight","fetchCommand":"npx --yes agentcash@latest fetch https://apiacre.com/v1/developer/x402-preflight \\\n  --method POST \\\n  --header 'content-type: application/json' \\\n  --body '{\"url\":\"https://apiacre.com/v1/developer/openapi-audit\",\"method\":\"POST\",\"body\":{\"document\":\"{\\\"openapi\\\":\\\"3.1.0\\\",\\\"info\\\":{\\\"title\\\":\\\"Example\\\",\\\"version\\\":\\\"1\\\"},\\\"paths\\\":{}}\",\"format\":\"json\"},\"market_query\":\"audit\",\"market_limit\":1}' \\\n  --payment-protocol x402 \\\n  --payment-network base \\\n  --max-amount 0.05","maximumUsdc":"0.05","copyingCommandPays":false,"fetchMayAutomaticallyPay":true},"priceUsdc":"0.05","path":"/v1/developer/x402-preflight","url":"https://apiacre.com/v1/developer/x402-preflight","checkoutUrl":"https://apiacre.com/try/developer.x402-preflight","freshResultRequiresPayment":true},"result":{"request_id":"018f1f54-7f38-7ba2-8dc3-5f90272d9f1a","service":"developer.x402-preflight","version":"1","data":{"url":"https://apiacre.com/v1/developer/openapi-audit","finalUrl":"https://apiacre.com/v1/developer/openapi-audit","method":"POST","statusCode":402,"elapsedMs":128,"compliant":true,"grade":"A","score":100,"gradeVersion":"apiacre-x402-preflight/1","checks":[{"id":"http_402","passed":true,"severity":"high","message":"Return HTTP 402 before payment."},{"id":"header_decodes","passed":true,"severity":"high","message":"PAYMENT-REQUIRED decodes to a JSON object."},{"id":"x402_v2","passed":true,"severity":"high","message":"Set x402Version to the integer 2."},{"id":"caip2_network","passed":true,"severity":"high","message":"Use a valid CAIP-2 network identifier."},{"id":"resource_binding","passed":true,"severity":"medium","message":"Bind resource.url to the endpoint that returned the payment requirement."}],"payment":{"version":2,"acceptsCount":1,"scheme":"exact","network":"eip155:8453","amount":"50000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xa0BFa4f07281c9b248DC3AED2217836BcA24869B"},"directoryEvidence":{"version":"apiacre-x402-directory-evidence/1","source":{"name":"x402 List","url":"https://x402-list.com","apiUrl":"https://x402-list.com/api/v1/services","documentationUrl":"https://x402-list.com/api","license":"CC-BY-4.0","licenseUrl":"https://creativecommons.org/licenses/by/4.0/","attributionRequired":true,"attribution":"Data: x402-list.com (CC BY 4.0)","access":"No-auth read with a 2,000-request daily free quota; API Acre never pays the upstream."},"target":{"status":"matched","hostname":"apiacre.com","matchMethod":"exact_host","matchCount":1,"matches":[{"slug":"api-acre","name":"API Acre","description":"Pay-per-call x402 APIs for agents with machine-readable schemas and samples.","baseUrl":"https://apiacre.com","websiteUrl":"https://apiacre.com","category":"Data","status":"online","verified":false,"paymentReady":true,"endpointCount":35,"networks":["eip155:8453"],"priceUsd":{"minimum":0.001,"maximum":0.25},"compliance":{"grade":"A","passed":14,"total":14},"reliability":{"uptime30dPct":99.6,"responseP95Ms":223,"priceStability":0.0},"traction":{"status":"measured","volumeUsdc30d":2.124,"settlements30d":74,"uniqueBuyers30d":5,"topBuyerShare30d":0.943503,"volumeOutsideTopBuyerUsdc30d":0.12,"sharedPayout":false,"sharedWith":0,"proQuotaShare":1.0,"lastSettlementAt":"2026-08-14T14:29:25Z","caveat":"Conservative measured floor; operator validation can be present and is not identified by the directory."},"lastCheckedAt":"2026-08-15T04:23:09.951Z","assessmentUpdatedAt":"2026-08-15T01:43:05.729Z"}],"retrievedAt":"2026-08-15T04:30:00+00:00","cached":false,"reason":null},"market":{"status":"ok","query":"audit","totalMatches":31,"returned":1,"sourcePageTruncated":false,"results":[{"slug":"webbersites-x402-data-api","name":"WebberSites x402 Data API","description":"Pay-per-call data and utility API for AI agents with web, document, developer, and structured-data tools.","baseUrl":"https://api.webbersites.com","websiteUrl":"https://x402.webbersites.com","category":"Data","status":"online","verified":false,"paymentReady":true,"endpointCount":37,"networks":["eip155:8453"],"priceUsd":{"minimum":0.001,"maximum":0.05},"compliance":{"grade":"A","passed":14,"total":14},"reliability":{"uptime30dPct":100.0,"responseP95Ms":205,"priceStability":0.0},"traction":{"status":"measured","volumeUsdc30d":4.274,"settlements30d":443,"uniqueBuyers30d":70,"topBuyerShare30d":0.332007,"volumeOutsideTopBuyerUsdc30d":2.855,"sharedPayout":false,"sharedWith":0,"proQuotaShare":1.0,"lastSettlementAt":"2026-08-14T23:18:13Z","caveat":"Conservative measured floor; service-level activity is not endpoint attribution or a revenue forecast."},"lastCheckedAt":"2026-08-15T04:41:09.686Z","assessmentUpdatedAt":"2026-08-15T01:33:01.858Z"}],"retrievedAt":"2026-08-15T04:30:00+00:00","cached":false,"reason":null,"rankingMethod":"Unique buyers, then volume outside the top buyer, settlements, and volume; missing measurements rank last."},"limitations":["Directory and traction observations are time-specific measured floors, not endorsements or forecasts.","Distinct buyers and settlements are service-level measurements and cannot be summed into ecosystem-unique totals.","Shared-payout fields and the source caveat must be inspected before comparing services.","The target hostname and optional market query are sent to x402-list.com without credentials or payment headers."]},"remediation":[],"checkedAt":"2026-08-09T00:00:00+00:00","limitations":"One unpaid target request only; no payment is signed and the target response is not retained. Licensed directory enrichment is time-specific and may be unavailable."},"meta":{"duration_ms":42,"cached":false,"sources":[],"warnings":[],"next_actions":[]}},"customerEvidence":{"evidenceType":"minimum-independent-production-settlement","observedThrough":"2026-09-01T11:24:57.584032Z","settlementNetwork":"eip155:8453","minimumIndependentSettlements":1,"operatorValidationExcluded":true,"buyerDataPublished":false,"settlementIdentifiersPublished":false,"aggregateUrl":"https://apiacre.com/use-cases#customer-evidenced","claimBoundary":"At least one independently attributed production settlement was observed for this service by observedThrough. This does not establish a unique buyer count, endorsement, repeat demand, a forecast, or a guarantee."}}