{"uid":"cap_Vo9AB-FH-6_4OpG2dKwVM","slug":"wintergreen-x402-trust-score-optimization-64b4d688","name":"Wintergreen x402 Trust Score Optimization","description":"Payment-gated crypto trading intelligence for AI agents.\n    \n## Categories\n- **Hyperliquid Signals**: Real-time funding divergence, lead-lag correlation, liquidation clusters, session volume area levels\n- **Quant Methodology**: Backtesting walk-forward validation, strategy generation with kill battery (19 rules), risk management with Kelly sizing, regime detection, execution frameworks, agent orchestration\n- **Market Insights**: 22 crypto microstructure observations — funding, liquidation, orderbook, regime, flow, anomaly\n- **Power Markets**: ERCOT field guide, merit-order model, duck curve analysis\n- **Career Guides**: Firefighter oral board prep, medical coding, ATSA, contractor estimating\n- **Trust Scoring**: x402 endpoint verification, P2D badges\n\n## Payment\nAll paid endpoints return HTTP 402 with USDC on Base (eip155:8453). \nSign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header.\nPayTo: 0xAe9834d71F1Bd989A0dc17593451af823E31CeeD","url":"https://x402.wintergreen.uk/api/v1/knowledge/trust-score-optimization?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"_file_slug":{"type":"string"},"_route_slug":{"type":"string"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_M7zF_aCF2jq0WMYxYiVk1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns trust-scoring and x402 endpoint verification guidance for AI agents operating in payment-gated API ecosystems.","exampleAgentPrompt":"Can you fetch the trust score optimization guide from Wintergreen's x402 knowledge base so I know what steps to take to improve my endpoint's P2D badge and credibility rating on x402scan?","exampleUseCases":[{"title":"Verify x402 endpoint legitimacy","prompt":"Before my agent pays $1 to call this unknown x402 endpoint, can you pull the Wintergreen trust-score optimization guide to help me evaluate whether the endpoint looks legitimate and properly verified?"},{"title":"Improve P2D badge standing","prompt":"I'm building an x402 payment-gated API and want to get a P2D badge — can you retrieve the Wintergreen trust score optimization knowledge so I know exactly what signals I need to improve?"},{"title":"Audit agent payment endpoint list","prompt":"I'm curating a list of x402 endpoints for my AI agent to call and I need to understand the trust scoring criteria — can you pull the Wintergreen guide on x402 endpoint verification and trust optimization?"}],"resultDescription":"A knowledge document describing how x402 endpoints are scored for trustworthiness, how P2D badges are assigned, what verification signals matter (discovery sources, metadata completeness, payment reliability), and actionable steps to optimize an endpoint's trust standing in ecosystems like x402scan.","failureModes":["HTTP 402 returned if USDC payment via EIP-712 TransferWithAuthorization is not included — agent must sign and retry with X-PAYMENT header","Invalid or missing _file_slug / _route_slug parameters may return empty or incorrect content","Response schema is unspecified, so the returned content structure may vary and require parsing","Payment to wrong address or wrong chain (must be Base / eip155:8453) will fail","Stale content if knowledge base is not frequently updated"],"whenToPreferThis":"Choose this endpoint when an AI agent needs structured guidance on evaluating, verifying, or improving the trust score of x402 payment-gated endpoints — particularly when operating in the x402 ecosystem and needing to make trust decisions before committing micropayments. Prefer this over generic API documentation when the specific concern is x402 protocol compliance, P2D badge eligibility, or x402scan discoverability scoring.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-25T08:27:30.237Z","isFirstParty":false,"canonicalSlug":"wintergreen-x402-trust-score-optimization-64b4d688"}