# Services from x402.tuancodes.workers.dev on Zero

> x402.tuancodes.workers.dev serves 4 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.tuancodes.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.tuancodes.workers.dev/health.json

## Services

- [Czech National Bank (CNB) Exchange Rates](https://www.zero.xyz/c/czech-national-bank-cnb-exchange-rates-d5bf07a4/llms.txt): $0.002/call via x402. Returns official CNB daily foreign exchange rates for a given date, sourced directly from the Czech National Bank's public API.
- [GLEIF LEI Index Lookup via x402](https://www.zero.xyz/c/gleif-lei-index-lookup-via-x402-16bb41ca/llms.txt): $0.003/call via x402. Retrieves Legal Entity Identifier (LEI) data including entity status, corporate hierarchy, and registration details from the GLEIF Global LEI Index for a given LEI code.
- [EU VIES VAT Number Lookup](https://www.zero.xyz/c/eu-vies-vat-number-lookup-e5c67f77/llms.txt): $0.003/call via x402. Validates and retrieves company details for a given EU VAT number using the official EU VIES system
- [GLEIF LEI Search — Global Legal Entity Identifier Lookup](https://www.zero.xyz/c/gleif-lei-search-global-legal-entity-identifier-lookup-7d7b0b0b/llms.txt): $0.002/call via x402. Searches the GLEIF Global LEI Index by company name to retrieve Legal Entity Identifier (LEI) codes and entity details for companies worldwide, sourced deterministically from official GLEIF data.

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)