# Services from offercheck.offercheck.workers.dev on Zero

> offercheck.offercheck.workers.dev serves 5 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/offercheck.offercheck.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/offercheck.offercheck.workers.dev/health.json

## Services

- [offercheck URL Liveness & Metadata Checker](https://www.zero.xyz/c/offercheck-url-liveness-metadata-checker-4087272b/llms.txt): $0.002/call via x402. Checks a public URL for liveness, redirect chain, domain age, robots policy, archive availability, and soft-404 status
- [offercheck /v1/price — Crypto & Token Price Lookup](https://www.zero.xyz/c/offercheck-v1-price-crypto-token-price-lookup-098f6e99/llms.txt): $0.002/call via x402. Returns live prices with confidence scores for crypto assets, tokens, and on-chain addresses, quoted in USD or any ECB fiat currency
- [offercheck /v1/verify/offer](https://www.zero.xyz/c/offercheck-v1-verify-offer-79263463/llms.txt): $0.01/call via x402. Fetches a public product page URL and extracts live price, currency, and availability using structured data (JSON-LD, microdata, etc.) with a confidence score
- [offercheck FX Currency Converter](https://www.zero.xyz/c/offercheck-fx-currency-converter-8795543e/llms.txt): $0.002/call via x402. Converts currency amounts using ECB reference rates, supporting historical dates and multiple target currencies in one call
- [offercheck /v1/read — Web Page to Markdown Reader](https://www.zero.xyz/c/offercheck-v1-read-web-page-to-markdown-reader-73f2bcb9/llms.txt): $0.001/call via x402. Fetches any public URL and returns its content as clean Markdown with metadata including title, author, links, language, and publishing details

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)