{"uid":"cap_JaGbu3ssdg9QRYxpnFA9_","slug":"wintergreen-x402-quant-methodology-bundle-517e8acd","name":"Wintergreen x402 Quant Methodology Bundle","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/methodology/bundle","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"format":{"enum":["json"],"type":"string","description":"Optional response format hint (json). No required inputs."}}},"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":"unknown","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_gKZIu5V1nVdAw0psQ99Co","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":"Delivers a gated bundle of quantitative crypto trading methodology content including backtesting frameworks, strategy generation with kill-switch rules, Kelly sizing, and regime detection — paid via x402 USDC micropayment on Base.","exampleAgentPrompt":"Can you pull the full quant methodology bundle from Wintergreen — I need the walk-forward backtesting guide, the kill-battery strategy rules, and the Kelly sizing framework for my crypto trading system?","exampleUseCases":[{"title":"Building a backtested crypto strategy","prompt":"I'm building a crypto trading strategy and need a rigorous walk-forward backtesting methodology with kill rules — can you fetch Wintergreen's quant methodology bundle so I can follow their framework?"},{"title":"Implementing Kelly sizing for a trading bot","prompt":"I want to implement proper Kelly criterion position sizing and regime detection in my trading bot — can you get the Wintergreen methodology bundle that covers risk management and execution frameworks?"},{"title":"Onboarding an AI agent to trade autonomously","prompt":"I'm setting up an autonomous trading agent and need a complete agent orchestration playbook with strategy generation rules and risk controls — grab the Wintergreen quant methodology bundle for me."}],"resultDescription":"A structured content bundle covering: walk-forward backtesting validation, strategy generation with a 19-rule kill battery, Kelly-based risk management sizing, regime detection methods, execution frameworks, and agent orchestration guidance — returned as JSON or formatted text after successful USDC micropayment on Base.","failureModes":["HTTP 402 returned if payment header is missing or invalid — must sign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header","Payment to wrong address or wrong chain (must be USDC on Base eip155:8453) causes payment failure","Malformed X-PAYMENT header results in rejection","Service unavailability or upstream content errors return 5xx","Incorrect format parameter value may result in unexpected response structure"],"whenToPreferThis":"Choose this endpoint when an AI agent or quant developer needs a self-contained, authoritative methodology bundle covering the full lifecycle of crypto strategy development — from backtesting validation to live execution and agent orchestration — and is willing to pay $15 USDC per retrieval. Prefer this over free resources when reproducibility, structured rule sets (kill battery), and agent-ready frameworks are required. Not suitable for real-time signal streaming or live market data lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:36:00.617Z","isFirstParty":false}