# Services from x402.wintergreen.uk on Zero

> x402.wintergreen.uk serves 50 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/x402.wintergreen.uk
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.wintergreen.uk/health.json

## Services

- [Wintergreen x402 Quant Methodology Bundle](https://www.zero.xyz/c/wintergreen-x402-quant-methodology-bundle-517e8acd/llms.txt): $0.01/call via x402. 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.
- [Wintergreen x402 Funding Snapshot](https://www.zero.xyz/c/wintergreen-x402-funding-snapshot-77ed71aa/llms.txt): $0.001/call via x402. Returns a real-time funding rate snapshot for a given crypto symbol, gated behind a $0.001 USDC micropayment via x402.
- [Wintergreen x402 Compliance Knowledge Endpoint](https://www.zero.xyz/c/wintergreen-x402-compliance-knowledge-endpoint-84ac7f06/llms.txt): $0.01/call via x402. Returns payment-gated knowledge content about x402 endpoint verification and compliance, accessible after a $0.50 USDC micropayment on Base.
- [Wintergreen Quant Resolved Signals](https://www.zero.xyz/c/wintergreen-quant-resolved-signals-de506ba2/llms.txt): $0.005/call via x402. Returns real-time resolved Hyperliquid trading signals (funding divergence, lead-lag, liquidation clusters, session volume areas) for a given coin, gated by x402 micropayment.
- [Wintergreen Contractor Estimating Q&A](https://www.zero.xyz/c/wintergreen-contractor-estimating-q-a-2a95977e/llms.txt): $0.005/call via x402. Returns payment-gated answers to contractor estimating questions via a Q&A interface, covering estimation methodology, pricing, and bidding strategies.
- [Wintergreen Medical Coding Career Path Q&A](https://www.zero.xyz/c/wintergreen-medical-coding-career-path-q-a-71e7e9b2/llms.txt): $0.005/call via x402. Answers questions about medical coding career pathways, certification, and job preparation via a payment-gated knowledge endpoint.
- [Wintergreen x402 Pricing Strategy Knowledge Endpoint](https://www.zero.xyz/c/wintergreen-x402-pricing-strategy-knowledge-endpoint-0be44d7b/llms.txt): $0.01/call via x402. Delivers payment-gated pricing strategy knowledge content (crypto trading intelligence, quant methodology, and market insights) for $0.50 USDC per call via the x402 micropayment protocol.
- [Wintergreen x402 Content Broker](https://www.zero.xyz/c/wintergreen-x402-content-broker-da3ea06a/llms.txt): $0.01/call via x402. Delivers payment-gated trading intelligence and research content (crypto signals, quant methodology, market microstructure, power markets, career guides) for a specified category, requiring $0.25 USDC per call via x402 protocol.
- [Wintergreen x402 Content Broker – Everything Bundle](https://www.zero.xyz/c/wintergreen-x402-content-broker-everything-bundle-50595b7d/llms.txt): $0.01/call via x402. Returns a comprehensive bundle of crypto trading intelligence, quant methodology, market microstructure insights, power-market data, and career guides, gated by a $9.99 USDC micropayment via x402.
- [Wintergreen x402 Content Broker – Insights Endpoint](https://www.zero.xyz/c/wintergreen-x402-content-broker-insights-endpoint-d7e96f68/llms.txt): $0.005/call via x402. Delivers payment-gated crypto trading intelligence and quantitative research content (signals, methodology, market microstructure observations) for a flat $0.05 USDC per call via x402 micropayment protocol.
- [Wintergreen x402 Crypto Correlation Matrix](https://www.zero.xyz/c/wintergreen-x402-crypto-correlation-matrix-a71f479a/llms.txt): $0.001/call via x402. Returns a payment-gated cross-asset correlation matrix for specified crypto symbols using quantitative microstructure data.
- [Wintergreen ATSA Prep Guide](https://www.zero.xyz/c/wintergreen-atsa-prep-guide-2564df19/llms.txt): $0.01/call via x402. Delivers a payment-gated ATSA (Air Traffic Skills Assessment) preparation guide for candidates studying for FAA air traffic controller testing.
- [Wintergreen Kill Battery Field Guide](https://www.zero.xyz/c/wintergreen-kill-battery-field-guide-430d6fe9/llms.txt): $0.01/call via x402. 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.
- [Wintergreen OHLCV Data Endpoint](https://www.zero.xyz/c/wintergreen-ohlcv-data-endpoint-ba8b74ca/llms.txt): $0.001/call via x402. Returns OHLCV (open, high, low, close, volume) candlestick data for a given crypto symbol and interval, gated by a $0.001 USDC micropayment via the x402 protocol.
- [Wintergreen x402 Lifetime Bundle – Crypto Trading Intelligence](https://www.zero.xyz/c/wintergreen-x402-lifetime-bundle-crypto-trading-intelligence-78ece660/llms.txt): $0.01/call via x402. Returns a comprehensive bundle of crypto trading intelligence including Hyperliquid signals, quant methodology, market microstructure insights, power market analysis, and career guides, gated behind a $99 USDC x402 micropayment.
- [Wintergreen x402 Failure Patterns Knowledge Endpoint](https://www.zero.xyz/c/wintergreen-x402-failure-patterns-knowledge-endpoint-8a90304f/llms.txt): $0.01/call via x402. Returns payment-gated knowledge content about trading strategy failure patterns and kill battery rules for crypto quant systems, delivered via x402 micropayment on Base.
- [Wintergreen x402 Ecosystem Health Dashboard](https://www.zero.xyz/c/wintergreen-x402-ecosystem-health-dashboard-87d5ba0e/llms.txt): $0.01/call via x402. Returns a payment-gated ecosystem health dashboard report covering crypto trading intelligence, quant methodology, and market microstructure insights for AI agents.
- [Wintergreen x402 Quant Methodology Pack](https://www.zero.xyz/c/wintergreen-x402-quant-methodology-pack-3c55de8e/llms.txt): $0.01/call via x402. Delivers payment-gated quantitative trading methodology content (backtesting frameworks, strategy generation, risk management, regime detection) for a specific pack ID via x402 micropayment.
- [Wintergreen x402 Quant Pulse](https://www.zero.xyz/c/wintergreen-x402-quant-pulse-1b8a0442/llms.txt): $0.005/call via x402. Returns a snapshot of crypto trading intelligence including Hyperliquid signals, quant methodology guides, and market microstructure insights, gated by a $0.005 USDC micropayment per call.
- [Wintergreen x402 Content Broker](https://www.zero.xyz/c/wintergreen-x402-content-broker-25237d5f/llms.txt): $0.002/call via x402. Delivers payment-gated crypto trading intelligence, quant methodology guides, market microstructure insights, and niche career/power-market content via x402 micropayment on Base.
- [Wintergreen x402 Market Odds Content Broker](https://www.zero.xyz/c/wintergreen-x402-market-odds-content-broker-fe684e66/llms.txt): $0.001/call via x402. Returns payment-gated market intelligence content (trading signals, quant methodology, microstructure insights, or other content) identified by a slug, requiring USDC micropayment via x402 protocol.
- [Wintergreen x402 Power Markets Guide](https://www.zero.xyz/c/wintergreen-x402-power-markets-guide-179fb27c/llms.txt): $0.01/call via x402. Returns a payment-gated ERCOT power markets field guide covering merit-order models, duck curve analysis, and electricity market microstructure for AI agents.
- [Wintergreen Position Size Calculator](https://www.zero.xyz/c/wintergreen-position-size-calculator-0619b7e0/llms.txt): $0.001/call via x402. Calculates optimal position sizing for a crypto trade given entry price, stop loss, capital, and risk percentage using Kelly-informed risk management.
- [Wintergreen x402 Trust Check](https://www.zero.xyz/c/wintergreen-x402-trust-check-03f6a738/llms.txt): $0.002/call via x402. Verifies whether a given URL is a legitimate, verified x402 payment-gated endpoint by checking its trust score and P2D badge status.
- [Wintergreen x402 Quant Regime Detection](https://www.zero.xyz/c/wintergreen-x402-quant-regime-detection-d97fa475/llms.txt): $0.001/call via x402. Returns a market regime classification for a given crypto symbol, gated behind a $0.001 USDC micropayment via x402 protocol.
- [Wintergreen x402 Methodology Prompt Endpoint](https://www.zero.xyz/c/wintergreen-x402-methodology-prompt-endpoint-f983df6f/llms.txt): $0.01/call via x402. Delivers a specific prompt or intelligence pack (by pack ID and prompt index) from a curated library of crypto trading, quant methodology, and market insights, gated behind a $0.50 USDC micropayment per call.
- [Wintergreen x402 Trust Feed](https://www.zero.xyz/c/wintergreen-x402-trust-feed-3f19a396/llms.txt): $0.005/call via x402. Returns a verified trust feed of x402 endpoint verification scores and P2D badges for payment-gated API discovery.
- [Wintergreen x402 Trust Badge](https://www.zero.xyz/c/wintergreen-x402-trust-badge-a5b67088/llms.txt): $0.01/call via x402. Returns a trust/verification badge for a given x402 endpoint URL, confirming its payment-gated API is legitimate and operational.
- [Wintergreen x402 Trust Score Optimization](https://www.zero.xyz/c/wintergreen-x402-trust-score-optimization-64b4d688/llms.txt): $0.01/call via x402. Returns trust-scoring and x402 endpoint verification guidance for AI agents operating in payment-gated API ecosystems.
- [Wintergreen x402 Medical Coding Career Guide](https://www.zero.xyz/c/wintergreen-x402-medical-coding-career-guide-20972e18/llms.txt): $0.01/call via x402. Returns a payment-gated guide on breaking into medical coding as a career, including pathways, certifications, and job market insights.
- [Wintergreen x402 Content Broker](https://www.zero.xyz/c/wintergreen-x402-content-broker-c34ac71c/llms.txt): $0.002/call via x402. Payment-gated endpoint delivering crypto trading intelligence, quant methodology, market microstructure insights, power market data, and career guides via x402 micropayments on Base.
- [Wintergreen Oil & Geo Premium Intelligence](https://www.zero.xyz/c/wintergreen-oil-geo-premium-intelligence-0dc704f1/llms.txt): $0.01/call via x402. Delivers payment-gated oil and geopolitical market intelligence content for AI agents via x402 micropayment protocol
- [Wintergreen Oral Board Prep Q&A](https://www.zero.xyz/c/wintergreen-oral-board-prep-q-a-72e9c505/llms.txt): $0.005/call via x402. Returns payment-gated firefighter oral board interview preparation Q&A content for a given question or topic.
- [Wintergreen x402 Contractor Estimating Guide](https://www.zero.xyz/c/wintergreen-x402-contractor-estimating-guide-8b9391d0/llms.txt): $0.01/call via x402. Returns a payment-gated contractor estimating career guide covering bidding, pricing, and project estimation methodologies.
- [Wintergreen x402 Power Markets Content Broker](https://www.zero.xyz/c/wintergreen-x402-power-markets-content-broker-711abf99/llms.txt): $0.005/call via x402. Delivers payment-gated power market intelligence (ERCOT field guide, merit-order model, duck curve analysis) for AI agents via x402 micropayment protocol on Base.
- [Wintergreen x402 ATSA Prep Q&A](https://www.zero.xyz/c/wintergreen-x402-atsa-prep-q-a-0bad798b/llms.txt): $0.005/call via x402. Returns payment-gated ATSA (Air Traffic Skills Assessment) exam preparation Q&A content for a given query, billed per-call via x402 micropayment on Base.
- [Wintergreen x402 Prompt Pack Retrieval](https://www.zero.xyz/c/wintergreen-x402-prompt-pack-retrieval-952824b5/llms.txt): $0.01/call via x402. Retrieves a payment-gated pack of AI agent prompts, trading datasets, or market analysis content by category via USDC micropayment
- [Wintergreen x402 Everything-Plus Bundle](https://www.zero.xyz/c/wintergreen-x402-everything-plus-bundle-80feac10/llms.txt): $0.01/call via x402. Returns a comprehensive bundle of crypto trading intelligence, quant methodology, market microstructure insights, power market data, and career guides — gated by a $49 USDC micropayment via x402 on Base.
- [Wintergreen x402 Content Broker – Prompt Retrieval](https://www.zero.xyz/c/wintergreen-x402-content-broker-prompt-retrieval-2bb5abe7/llms.txt): $0.01/call via x402. Fetches a specific payment-gated AI agent prompt, trading dataset, or market analysis item by prompt ID, charging $0.02 USDC per retrieval via the x402 payment protocol.
- [Wintergreen x402 Content Broker – Combo Bundle](https://www.zero.xyz/c/wintergreen-x402-content-broker-combo-bundle-c46d6f39/llms.txt): $0.01/call via x402. Delivers a payment-gated bundle of crypto trading intelligence content (Hyperliquid signals, quant methodology, market microstructure insights, and more) for AI agents via x402 micropayment protocol on Base.
- [Wintergreen x402 Ecosystem Report July 2026](https://www.zero.xyz/c/wintergreen-x402-ecosystem-report-july-2026-1979c3d0/llms.txt): $0.01/call via x402. Returns a payment-gated ecosystem intelligence report covering crypto trading, quant methodology, market microstructure, power markets, and career guides, delivered for $1 USDC via x402 protocol.
- [Wintergreen x402 Endpoint Migration Guide (API Key to x402)](https://www.zero.xyz/c/wintergreen-x402-endpoint-migration-guide-api-key-to-x402-62abd5ae/llms.txt): $0.01/call via x402. Returns a payment-gated knowledge article explaining how to migrate from API-key authentication to the x402 micropayment protocol for AI agents.
- [Wintergreen x402 Oral Board Prep Guide](https://www.zero.xyz/c/wintergreen-x402-oral-board-prep-guide-5c248523/llms.txt): $0.01/call via x402. Delivers a payment-gated firefighter oral board preparation guide for AI agents via x402 micropayment protocol
- [Wintergreen x402 Content Broker — Prompts by Category](https://www.zero.xyz/c/wintergreen-x402-content-broker-prompts-by-category-8ef0a82a/llms.txt): $0.01/call via x402. Returns payment-gated AI agent prompts, trading datasets, or market analysis filtered by a specified content category, billed at $0.05 USDC per call via the x402 protocol.
- [Wintergreen x402 Session VA Levels](https://www.zero.xyz/c/wintergreen-x402-session-va-levels-9f6ca077/llms.txt): $0.002/call via x402. Returns payment-gated quantitative session value area (VA) levels for trading and market analysis, delivered via x402 USDC micropayment.
- [Wintergreen x402 Liquidation Clusters](https://www.zero.xyz/c/wintergreen-x402-liquidation-clusters-048a2990/llms.txt): $0.002/call via x402. Returns quantitative liquidation cluster data for crypto markets, gated by a $0.01 USDC micropayment via x402 protocol.
- [Wintergreen x402 Quant Lead-Lag Analysis](https://www.zero.xyz/c/wintergreen-x402-quant-lead-lag-analysis-d4e52d33/llms.txt): $0.001/call via x402. Returns lead-lag relationship data between financial instruments or market signals, gated behind a $0.01 USDC micropayment via x402 protocol.
- [Wintergreen x402 Weather Calibration](https://www.zero.xyz/c/wintergreen-x402-weather-calibration-e16458af/llms.txt): $0.01/call via x402. Returns weather calibration data for a given station, gated behind a $0.05 USDC micropayment via x402 protocol on Base.
- [Wintergreen x402 Content Broker – Search](https://www.zero.xyz/c/wintergreen-x402-content-broker-search-deb3ad78/llms.txt): $0.001/call via x402. Search and retrieve payment-gated AI agent prompts, trading datasets, and market analysis content via a per-call USDC micropayment.
- [Wintergreen Funding Divergence Analysis](https://www.zero.xyz/c/wintergreen-funding-divergence-analysis-0df64bbc/llms.txt): $0.001/call via x402. Returns quantitative funding rate divergence data across crypto perpetual markets, delivered via x402 micropayment gating at $0.01 USDC per call.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)