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Wintergreen Kill Battery Field Guide
x402
Wintergreen Kill Battery Field Guide is a paid API for AI agents from x402.wintergreen.uk, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns the kill battery field guide — a 19-rule strategy kill checklist for quant trading systems — behind a $2.50 USDC micropayment gate via x402 protocol.
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 field guide detailing 19 kill battery rules used to invalidate or shut down quantitative trading strategies, covering criteria such as drawdown thresholds, regime mismatches, execution failures, and risk violations. Returned as content payload after successful USDC payment via x402.
Example use cases
Strategy validation before live deployment
“Before I go live with this new Hyperliquid strategy, pull up the kill battery field guide so I can check it against all 19 disqualifying rules — go ahead and pay the $2.50 USDC to get it.”
Quant team onboarding reference
“We're onboarding a new quant analyst — can you grab the kill battery field guide from Wintergreen so they have the full 19-rule checklist for deciding when to kill a strategy? Pay the fee to unlock it.”
Backtesting review gate check
“I just finished a walk-forward backtest on this mean-reversion system. Fetch the Wintergreen kill battery field guide and run through the 19 rules against my results — pay the $2.50 USDC access fee.”
Technical details
Endpoint
GEThttps://x402.wintergreen.uk/api/v1/knowledge/kill-battery-field-guideWhen to prefer
Choose this endpoint when an AI agent needs authoritative, structured kill battery criteria for quant strategy validation and is capable of executing x402 micropayments in USDC on Base. Prefer over free or scraped alternatives when you need curated, maintained rule sets with provenance. Best suited for agents embedded in trading pipelines that already handle EIP-712 payment flows.
Side effects
- HTTP 402 returned if payment header is missing or invalid — must sign EIP-712 TransferWithAuthorization and retry
- Incorrect file_slug or route_slug returns empty or wrong content
- Payment to wrong address or wrong chain (must be Base / eip155:8453) causes transaction failure
- Stale or replayed payment authorization rejected by broker
- Network timeout on Base chain delays payment confirmation
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| _file_slug | string | |
| _route_slug | string |
Output
Schema · Response
{}Tags
x402
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