# Services from horizonpulse.dev on Zero

> horizonpulse.dev serves 13 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/horizonpulse.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/horizonpulse.dev/health.json

## Services

- [Horizon Pulse Screenshot](https://www.zero.xyz/c/horizon-pulse-screenshot-fe6c139c/llms.txt): $0.02/call via x402. Renders a public URL in headless Chromium and returns a PNG or JPEG screenshot as base64 JSON, along with the final URL, page status, and title
- [Horizon Pulse Web Search](https://www.zero.xyz/c/horizon-pulse-web-search-ccd9463e/llms.txt): $0.03/call via x402. Performs a web search via Google (Serper) and fetches the top 1-5 result pages, returning each as clean markdown/text with URL, title, rank, and per-source status
- [Horizon Pulse x402 Endpoint Auditor](https://www.zero.xyz/c/horizon-pulse-x402-endpoint-auditor-b5c2a1e9/llms.txt): $0.01/call via x402. Audits any public x402 payment-gated endpoint by sending an unpaid probe and decoding the 402 response, returning validity checks, version, price/network/asset details, and payTo analysis — without ever paying.
- [HorizonPulse Ethereum Gas Fee Oracle](https://www.zero.xyz/c/horizonpulse-ethereum-gas-fee-oracle-3c2f3c39/llms.txt): $0.01/call via x402. Returns live Ethereum and Base network gas fee data including baseFee, priority fees, suggested maxFee, timing hint (cheap/normal/expensive), and optional ETH transfer cost in USD
- [HorizonPulse HTML Extractor](https://www.zero.xyz/c/horizonpulse-html-extractor-5aa58644/llms.txt): $0.015/call via x402. Extracts structured fields (title, description, canonical, links, images, headings, JSON-LD, text sample) from a public URL or raw HTML, with SSRF protection
- [Horizon Pulse PDF to Text Extractor](https://www.zero.xyz/c/horizon-pulse-pdf-to-text-extractor-1d6affbd/llms.txt): $0.02/call via x402. Fetches a public PDF URL and returns clean extracted text per page plus title and author metadata, using pdf.js text layer (no OCR), limited to 10MB, 50 pages, and 100K characters.
- [HorizonPulse URL Fetcher (Clean Text)](https://www.zero.xyz/c/horizonpulse-url-fetcher-clean-text-d3e64f31/llms.txt): $0.02/call via x402. Fetches a public HTTP/HTTPS URL and returns best-effort clean text or markdown, with SSRF protection and size/time limits
- [HorizonPulse Universal HTTP Proxy](https://www.zero.xyz/c/horizonpulse-universal-http-proxy-61ef53c6/llms.txt): $0.01/call via x402. Proxies arbitrary HTTP requests (GET, POST, HEAD, DELETE, etc.) to any public URL and returns status, filtered headers, and body as text or base64, with SSRF protection
- [HorizonPulse Technical Signals API](https://www.zero.xyz/c/horizonpulse-technical-signals-api-33211637/llms.txt): $0.015/call via x402. Returns RSI, MACD, and Bollinger Band signals for crypto assets derived from CoinGecko OHLC data, combined with OKX perpetual funding rates
- [HorizonPulse Perpetual Funding Rates API](https://www.zero.xyz/c/horizonpulse-perpetual-funding-rates-api-b00ebef7/llms.txt): $0.01/call via x402. Returns live OKX perpetual funding rates for BTC, ETH, and SOL, with an optional rule-based crowding hint based on funding sign and magnitude
- [HorizonPulse DeFi Yield Pool Rankings](https://www.zero.xyz/c/horizonpulse-defi-yield-pool-rankings-00525a9b/llms.txt): $0.02/call via x402. Returns ranked DeFi yield pools sourced from DefiLlama, filtered to TVL ≥ $10M and prioritizing stablecoin and single-asset pools
- [HorizonPulse EVM Portfolio Snapshot](https://www.zero.xyz/c/horizonpulse-evm-portfolio-snapshot-ebc6c655/llms.txt): $0.04/call via x402. Returns on-chain portfolio balances (ETH, USDC, WETH, WBTC/cbBTC, DAI) for a single EVM address on Base and Ethereum, with rule-based risk assessment and rebalancing suggestions.
- [HorizonPulse Market Pulse](https://www.zero.xyz/c/horizonpulse-market-pulse-4a37c0a2/llms.txt): $0.005/call via x402. Returns real-time BTC, ETH, and SOL spot prices along with momentum indicators, overall market sentiment, and a trading signal

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)