{"uid":"cap_-gTetbHMCq2dUerStGJyg","slug":"x402-fuchss-app-trust-score-api-0bebcc7e","name":"x402.fuchss.app Trust Score API","description":"Trust, reputation & reliability scores for x402 endpoints. We monitor every listed x402 service 24/7: uptime probes, 402-envelope compliance, price history, and real on-chain USDC settlement volume. Free grade & recommendation for any endpoint, $0.005 for a full data breakdown.","url":"https://x402.fuchss.app/v1/x402-trust","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"resource":{"type":"string"}}},"responseSchema":{"type":"json","example":{"flags":[],"grade":"A","score":87.4,"stats":{"payTo":"0xabc…123","delisted":false,"probes30d":1440,"probeOk30d":1427,"avgLatencyMs":312,"observedDays":5,"settlements30d":18234,"distinctPayers30d":96,"settledVolumeUnits30d":"364680000"},"$schema":"https://x402.fuchss.app/schemas/x402-trust.schema.json","resource":"https://api.example.com/v1/thing","breakdown":{"uptime":0.99,"latency":0.91,"observedAge":0.6,"priceStability":1,"envelopeCompliance":1,"settlementActivity":0.74},"confidence":0.82,"schemaType":"x402-trust","description":"Provider-advertised description of the endpoint (unverified claim).","serviceName":"Example Thing API","schemaVersion":"1.0.0","dataCompleteSince":1748736000000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_On0gbZlFMaYxfI1wZEUcu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a 0-100 trust and reliability score for any x402 pay-per-call endpoint, based on 30-day uptime, compliance, latency, and on-chain settlement volume.","exampleAgentPrompt":"Can you pull the trust score for https://api.example.com/v1/some-x402-endpoint and tell me the grade, uptime stats, and any compliance issues flagged over the past 30 days?","exampleUseCases":null,"resultDescription":"Returns a JSON object with a 0-100 trust score, a letter grade (A/B/C/D/F), per-component subscores (uptime, compliance, latency, age, activity, stability), raw 30-day stats, a confidence value between 0 and 1, and a flags object with machine-readable issue slugs. The resource URL is echoed back for confirmation.","failureModes":["Unknown or unmonitored resource URL returns low confidence score or empty stats","Malformed URL input returns validation error","Service not yet listed in discovery returns insufficient observation data","Network timeout if x402.fuchss.app monitoring backend is temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need to evaluate whether a specific x402 pay-per-call API is trustworthy before integrating or paying for it — especially when you want objective, continuously monitored metrics like uptime, 402-envelope compliance, latency history, and real on-chain USDC settlement volume rather than self-reported claims.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:51:22.003Z","isFirstParty":false}