# Services from api.annalist.dev on Zero > api.annalist.dev serves 23 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/api.annalist.dev Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.annalist.dev/health.json ## Services - [Annalist Smart Money Perp Positioning](https://www.zero.xyz/c/annalist-smart-money-perp-positioning-a1481294/llms.txt): $0.01/call via x402. Returns aggregated smart-money positioning data for a single Hyperliquid perpetual — long/short wallet counts, USD exposure, net delta, concentration, leverage, and comparison with crowd funding/price dynamics. - [Annalist Historical Crowd-State Events](https://www.zero.xyz/c/annalist-historical-crowd-state-events-c36bc195/llms.txt): $0.05/call via x402. Returns signed, Bitcoin-timestamped historical crowd-state events for Hyperliquid perpetuals over a specified date range, optionally filtered by coin and state type. - [Annalist Hyperliquid Perp Crowd State Analyzer](https://www.zero.xyz/c/annalist-hyperliquid-perp-crowd-state-analyzer-c0923894/llms.txt): $0.01/call via x402. Returns crowd and hype state analysis for a Hyperliquid perpetual, including funding metrics, open interest changes, premium, Wikipedia attention, and historical base rates for each crowd state - [Annalist Market-Wide Crowd State](https://www.zero.xyz/c/annalist-market-wide-crowd-state-d5bff987/llms.txt): $0.01/call via x402. Returns market-wide crowding metrics for all Hyperliquid perpetuals, including breadth of 7-day moves, funding rate extremes, total open interest, BTC/ETH funding percentiles, and Wikipedia attention to crypto. - [Annalist MCP Server Checker](https://www.zero.xyz/c/annalist-mcp-server-checker-cb2e2287/llms.txt): $0.01/call via x402. Retrieves an independent quality grade and reliability metrics for a given MCP server, including tool count, access mode, protocol version, uptime, and latency. - [Annalist Smart Money Market Overview](https://www.zero.xyz/c/annalist-smart-money-market-overview-5d12035c/llms.txt): $0.02/call via x402. Returns aggregated positioning data for Hyperliquid's most profitable traders across all perpetual markets, including overall net direction, top long/short coins, biggest 24h shifts, and smart money vs. crowd divergences. - [Annalist x402 Seller Reputation Check](https://www.zero.xyz/c/annalist-x402-seller-reputation-check-b4a3b9d3/llms.txt): $0.01/call via x402. Returns reputation, payment history, and service grades for an x402 seller address, helping agents evaluate trustworthiness of x402 API providers - [Annalist HIP-3 Perpetuals Market Data](https://www.zero.xyz/c/annalist-hip-3-perpetuals-market-data-d1ffa0a1/llms.txt): $0.01/call via x402. Fetches real-time perpetual futures market data for a specific asset on Hyperliquid or xyz exchange, including mark price, funding rate, open interest, and 24h return. - [Annalist x402 Service Checker](https://www.zero.xyz/c/annalist-x402-service-checker-4d61ffb1/llms.txt): $0.01/call via x402. Returns an independent reliability and trust grade for an x402-compatible HTTP service, including uptime share, organic payer count, and flag reasons. - [Annalist HLP Vault State](https://www.zero.xyz/c/annalist-hlp-vault-state-8fe03951/llms.txt): $0.01/call via x402. Returns current Hyperliquid HLP vault metrics including APR, net USD exposure, largest short positions, and account value — signed data delivered via x402 micropayment. - [Annalist Prediction Market Outcomes List](https://www.zero.xyz/c/annalist-prediction-market-outcomes-list-75bd62fa/llms.txt): $0.02/call via x402. Lists prediction market outcomes with implied probabilities, 24h volume, and searchable titles across categories like sports, price, IPO, policy rate, and awards - [Annalist Hyperliquid Crowd States](https://www.zero.xyz/c/annalist-hyperliquid-crowd-states-20545d9c/llms.txt): $0.02/call via x402. Returns coins currently matching specific crowd-behavior states on Hyperliquid (e.g. up 50/100/200% in 7 days, funding extremes, attention spikes, new listings), with historical context on what happened next - [Annalist Price Benchmarks](https://www.zero.xyz/c/annalist-price-benchmarks-3037d663/llms.txt): $0.01/call via x402. Returns statistical price benchmarks (P25, median, P75) for x402-paid API services in a given category, with an optional price-check verdict showing where a specific price falls relative to peers. - [Annalist Crowd-State Change Events (Polling)](https://www.zero.xyz/c/annalist-crowd-state-change-events-polling-76a22673/llms.txt): $0.005/call via x402. Returns a time-ordered stream of crowd-state entry/exit events for Hyperliquid perpetuals since a given timestamp, each signed with the mark price at event time. - [Annalist Hyperliquid Perp Full State](https://www.zero.xyz/c/annalist-hyperliquid-perp-full-state-c063c18b/llms.txt): $0.03/call via x402. Returns full perpetual market intelligence for a Hyperliquid coin — crowd positioning state, smart money net share, and liquidation flags with historical context — as cryptographically signed data. - [Annalist Hyperliquid Perpetuals Liquidation Data](https://www.zero.xyz/c/annalist-hyperliquid-perpetuals-liquidation-data-c75b5642/llms.txt): $0.02/call via x402. Returns real-time perpetual futures liquidation clusters, long/short positions at risk, and historical context for a given Hyperliquid perp symbol - [Annalist x402 Service Registry Change Tracker](https://www.zero.xyz/c/annalist-x402-service-registry-change-tracker-c472a148/llms.txt): $0.01/call via x402. Returns a daily breakdown of new services, price changes, and payout wallet changes across the x402 paid-API ecosystem over a configurable lookback window. - [Annalist Market Outcomes Lookup](https://www.zero.xyz/c/annalist-market-outcomes-lookup-bba1585a/llms.txt): $0.01/call via x402. Retrieves signed prediction market outcome data including sides and current prices for a given outcome ID - [Annalist HIP-3 Market Data](https://www.zero.xyz/c/annalist-hip-3-market-data-9791edea/llms.txt): $0.02/call via x402. Returns aggregated Hyperliquid perpetuals market data including open interest and exchange breakdowns, signed for AI agent use and paid per call via x402. - [Annalist Hyperliquid Market Liquidation Risk](https://www.zero.xyz/c/annalist-hyperliquid-market-liquidation-risk-6349e665/llms.txt): $0.03/call via x402. Returns current market-wide liquidation risk data from Hyperliquid, including flagged coins, wallet watch counts, and largest long positions within 5% of liquidation price - [Annalist x402 Service Checks - Top Ranked](https://www.zero.xyz/c/annalist-x402-service-checks-top-ranked-d4255750/llms.txt): $0.02/call via x402. Returns a ranked list of x402 services graded by organic payer activity and quality signals over the past 30 days - [Annalist MCP Server Ratings — Top Servers](https://www.zero.xyz/c/annalist-mcp-server-ratings-top-servers-cd2c1838/llms.txt): $0.02/call via x402. Returns a ranked summary of the top-rated MCP servers including recent tool changes and independent quality ratings - [Annalist Service Pricing Lookup](https://www.zero.xyz/c/annalist-service-pricing-lookup-5bf1d7c6/llms.txt): $0.01/call via x402. Returns pricing data for an x402-enabled service, including listed price, market comparison by tag, and recent price changes 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)