# Services from x402-tools-production-2755.up.railway.app on Zero

> x402-tools-production-2755.up.railway.app 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/x402-tools-production-2755.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-tools-production-2755.up.railway.app/health.json

## Services

- [x402 tools – US Statute Citation Verifier](https://www.zero.xyz/c/x402-tools-us-statute-citation-verifier-afebcf2e/llms.txt): $0.01/call via x402. Finds up to 25 US statute citations in a document, checks each exists and is currently in force, and optionally validates quoted passages against the actual statutory text.
- [x402 tools – Token Price (Symbol/CoinGecko ID)](https://www.zero.xyz/c/x402-tools-token-price-symbol-coingecko-id-62e00641/llms.txt): $0.002/call via x402. Fetches real-time market data (price, changes, volume, market cap, supply, ATH/ATL distance, optional sparkline) for up to 50 ticker symbols or 250 CoinGecko IDs in a single call.
- [x402 Tools – Domain RDAP Lookup](https://www.zero.xyz/c/x402-tools-domain-rdap-lookup-4e418547/llms.txt): $0.002/call via x402. Returns RDAP (WHOIS successor) registry data for up to 20 domains per call, including registrar, creation/expiry dates, age, status, transfer lock, nameservers, and DNSSEC.
- [x402 Gas Fee Oracle](https://www.zero.xyz/c/x402-gas-fee-oracle-a09003bf/llms.txt): $0.002/call via x402. Returns live EIP-1559 gas fee tiers (slow/standard/fast) with USD cost estimates for common transaction types across up to 6 EVM chains, sorted cheapest first
- [x402 Tools – OFAC Sanctions Screener](https://www.zero.xyz/c/x402-tools-ofac-sanctions-screener-aae81dbf/llms.txt): $0.005/call via x402. Screens up to 50 crypto addresses against the US Treasury OFAC SDN sanctions list and returns match details including sanctioned entity name, programs, and listing date.
- [x402 DEX Token Price Lookup](https://www.zero.xyz/c/x402-dex-token-price-lookup-dc6905cf/llms.txt): $0.002/call via x402. Fetches live DEX price, 24h change, volume, liquidity, and market cap for up to 30 token contract addresses across 8 major blockchains
- [x402 tools – Statute Lookup](https://www.zero.xyz/c/x402-tools-statute-lookup-1549130b/llms.txt): $0.003/call via x402. Validates a single US statute citation, returning whether the section exists, is in force or repealed, its heading, full text, and official source link
- [x402 Tools – Web Page to Markdown Converter](https://www.zero.xyz/c/x402-tools-web-page-to-markdown-converter-cfcd4a0f/llms.txt): $0.002/call via x402. Fetches one or more public web pages and returns each page's main content as clean Markdown, with title, byline, and word count, using Readability and Turndown processing.
- [x402 Hacker News Search & Front Page](https://www.zero.xyz/c/x402-hacker-news-search-front-page-5458da5e/llms.txt): $0.002/call via x402. Full-text search of Hacker News stories or fetch the current front page, with filters for age, points, and story type, returning up to 50 stories with metadata.
- [x402 tools – Hyperliquid Liquidation Levels](https://www.zero.xyz/c/x402-tools-hyperliquid-liquidation-levels-b47603e3/llms.txt): $0.02/call via x402. Returns bucketed liquidation price levels for a Hyperliquid perpetual contract, derived from the open positions of the most active accounts, including volume near mark price and the largest clusters.
- [x402 Tools – Web Page Metadata Extractor](https://www.zero.xyz/c/x402-tools-web-page-metadata-extractor-1ec568ec/llms.txt): $0.002/call via x402. Fetches a public URL and extracts its title, description, Open Graph tags, Twitter Card tags, icons, and canonical URL.
- [x402 QR Code Generator](https://www.zero.xyz/c/x402-qr-code-generator-327b48bb/llms.txt): $0.001/call via x402. Generates a QR code image (PNG or SVG) from any text or URL, with configurable size, error correction, and margin.
- [x402 Wallet Balance & Activity Lookup](https://www.zero.xyz/c/x402-wallet-balance-activity-lookup-20cdbbf6/llms.txt): $0.002/call via x402. Resolve an Ethereum address or ENS name and return ETH and USDC balances plus transaction counts on Ethereum mainnet and Base.

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)