# Services from x402.valkyry.fr on Zero

> x402.valkyry.fr serves 12 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.valkyry.fr
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.valkyry.fr/health.json

## Services

- [RSS Feed to JSON Converter](https://www.zero.xyz/c/rss-feed-to-json-converter-8f1d61f8/llms.txt): $0.001/call via x402. Fetches an RSS or Atom feed URL and returns its contents as structured JSON with title, items, and metadata
- [x402-markdown-extractor](https://www.zero.xyz/c/x402-markdown-extractor-6324e6c7/llms.txt): $0.002/call via x402. Fetches a publicly reachable URL and returns its main content as clean Markdown, including title, word count, and fetch timestamp.
- [x402.valkyry.fr Gas Estimator](https://www.zero.xyz/c/x402-valkyry-fr-gas-estimator-e12257f7/llms.txt): $0.001/call via x402. Returns current gas price data (in Wei and Gwei) for a specified EVM-compatible network such as Base, Ethereum, Arbitrum, Optimism, or Polygon.
- [x402.valkyry.fr Token Info](https://www.zero.xyz/c/x402-valkyry-fr-token-info-1b0bc639/llms.txt): $0.002/call via x402. Fetches detailed on-chain metadata for an ERC-20 token contract, including name, symbol, decimals, and total supply, across major EVM networks.
- [x402.valkyry.fr Token Price](https://www.zero.xyz/c/x402-valkyry-fr-token-price-2464ced4/llms.txt): $0.002/call via x402. Returns the current market price of a specified cryptocurrency token in a given quote currency, sourced from Coinbase.
- [x402.valkyry.fr ENS Resolver](https://www.zero.xyz/c/x402-valkyry-fr-ens-resolver-c649cebb/llms.txt): $0.002/call via x402. Resolves ENS names to Ethereum addresses (forward lookup) or reverse-resolves Ethereum addresses to ENS names, paid per-call via USDC on Base.
- [x402.valkyry.fr Wallet Balance](https://www.zero.xyz/c/x402-valkyry-fr-wallet-balance-0b78495d/llms.txt): $0.003/call via x402. Returns native token and ERC-20 token balances for a given EVM wallet address on a specified network
- [x402-markdown-extractor PDF to Markdown](https://www.zero.xyz/c/x402-markdown-extractor-pdf-to-markdown-3a977789/llms.txt): $0.003/call via x402. Converts a publicly accessible PDF URL into extracted markdown text, returning page count and word count
- [x402 Content Format Converter](https://www.zero.xyz/c/x402-content-format-converter-ff2e64ec/llms.txt): $0.001/call via x402. Converts content between markdown, HTML, CSV, and JSON formats via a pay-per-call API using USDC on Base.
- [QR Code Generator (x402 Pay-per-Call)](https://www.zero.xyz/c/qr-code-generator-x402-pay-per-call-51d5ade0/llms.txt): $0.001/call via x402. Generates a QR code image (PNG or SVG) from a given text or URL, returned as a base64 data URL.
- [x402-markdown-extractor URL Unfurl](https://www.zero.xyz/c/x402-markdown-extractor-url-unfurl-bfafd3a9/llms.txt): $0.001/call via x402. Fetches and extracts Open Graph metadata (title, description, image, site name) from any public URL
- [x402-markdown-extractor Metadata Extractor](https://www.zero.xyz/c/x402-markdown-extractor-metadata-extractor-6665c301/llms.txt): $0.001/call via x402. Fetches a public URL and returns structured page metadata including title, description, language, OG image, site name, and estimated reading time.

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)