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Wintergreen x402 Quant Methodology Pack
x402
Wintergreen x402 Quant Methodology Pack is a paid API for AI agents from x402.wintergreen.uk, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-12).
Delivers payment-gated quantitative trading methodology content (backtesting frameworks, strategy generation, risk management, regime detection) for a specific pack ID via x402 micropayment.
Price / call$0.01
Success—
StatusUnknown
How this service works
Payment-gated crypto trading intelligence for AI agents. ## Categories - **Hyperliquid Signals**: Real-time funding divergence, lead-lag correlation, liquidation clusters, session volume area levels - **Quant Methodology**: Backtesting walk-forward validation, strategy generation with kill battery (19 rules), risk management with Kelly sizing, regime detection, execution frameworks, agent orchestration - **Market Insights**: 22 crypto microstructure observations — funding, liquidation, orderbook, regime, flow, anomaly - **Power Markets**: ERCOT field guide, merit-order model, duck curve analysis - **Career Guides**: Firefighter oral board prep, medical coding, ATSA, contractor estimating - **Trust Scoring**: x402 endpoint verification, P2D badges ## Payment All paid endpoints return HTTP 402 with USDC on Base (eip155:8453). Sign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header. PayTo: 0xAe9834d71F1Bd989A0dc17593451af823E31CeeD
Output
A structured document or content pack containing detailed quantitative methodology — which may include walk-forward backtesting procedures, strategy generation logic with 19-rule kill battery, Kelly criterion sizing guidelines, regime detection approaches, and execution/agent orchestration frameworks — delivered after successful USDC micropayment on Base.
Example use cases
Crypto strategy backtesting framework
“I need the Wintergreen quant methodology pack on walk-forward validation and backtesting — specifically looking for how to stress-test a crypto strategy before going live, including the kill battery rules.”
Risk sizing with Kelly criterion
“Pull the Wintergreen methodology pack on risk management — I want to understand how to apply Kelly sizing to my crypto positions and how their regime detection affects position sizing.”
Algorithmic agent orchestration guide
“Get me the Wintergreen methodology pack on execution frameworks and agent orchestration for crypto trading — I'm building an automated trading agent and need the full quant framework.”
Technical details
Endpoint
POSThttps://x402.wintergreen.uk/api/v1/methodology/%7Bpack_id%7DWhen to prefer
Choose this endpoint when an AI agent needs structured quantitative trading methodology content — backtesting frameworks, risk management guidelines, regime detection, or strategy generation rules — and is capable of executing x402 USDC micropayments on Base. Prefer over free alternatives when depth of methodology and structured quant rigor are required.
Side effects
- HTTP 402 returned if payment header is missing or invalid — requires EIP-712 TransferWithAuthorization and X-PAYMENT header retry
- Invalid pack_id returns 404 or error if the requested methodology pack does not exist
- Payment authorization failure if USDC balance insufficient or signature malformed
- Network timeout if Base chain payment verification is slow
- Incorrect pack_id path parameter results in wrong or no content returned
Tags
x402
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