{"uid":"cap_V1duCpDBgynSS0muqphkK","slug":"wintergreen-x402-content-broker-c34ac71c","name":"Wintergreen x402 Content Broker","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/asset/%7Basset%7D?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WOEN3FWfWFQ70OjtX8_n9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Payment-gated endpoint delivering crypto trading intelligence, quant methodology, market microstructure insights, power market data, and career guides via x402 micropayments on Base.","exampleAgentPrompt":"Can you pull the Hyperliquid funding divergence signals for BTC right now — I want to see current lead-lag correlations and liquidation cluster levels, and I'm fine paying the $0.002 USDC micropayment per call.","exampleUseCases":[{"title":"Real-time Hyperliquid signal fetch","prompt":"Get me the latest Hyperliquid signals for ETH — funding divergence, liquidation clusters, and session volume area levels — I want to use them for my algo trade setup right now."},{"title":"Quant strategy methodology retrieval","prompt":"Pull the full quant methodology guide including the 19-rule kill battery, walk-forward backtesting framework, and Kelly sizing risk management — I'm building a new crypto strategy and need the methodology content."},{"title":"ERCOT power market analysis","prompt":"Fetch the ERCOT field guide and duck curve analysis from Wintergreen so I can model merit-order dispatch for my power market research today."}],"resultDescription":"Returns structured intelligence content gated behind a $0.002 USDC x402 micropayment: could include Hyperliquid real-time signals (funding divergence, liquidation clusters, lead-lag correlations, volume area levels), quant methodology documents (backtesting, kill battery rules, Kelly sizing, regime detection), crypto microstructure observations, ERCOT power market data, or career guide content — depending on the asset/category queried.","failureModes":["HTTP 402 returned if payment header is missing or invalid — must sign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header","Insufficient USDC balance on Base (eip155:8453) causes payment failure","Invalid asset identifier in URL path returns error","Stale or replayed payment authorization rejected","Network issues on Base chain delay payment confirmation"],"whenToPreferThis":"Choose this endpoint when an AI agent needs payment-gated crypto trading intelligence (Hyperliquid signals, quant methodology, microstructure data) delivered via x402 micropayments on Base, and can handle EIP-712 payment signing. Prefer over free alternatives when data quality and trust-scoring verification matter, or when building automated trading agents that need structured methodology content alongside real-time signals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-25T00:30:08.086Z","isFirstParty":false,"canonicalSlug":"wintergreen-x402-content-broker-da3ea06a"}