# GlobalRules > Per-country practical facts (VAT/GST, tipping, holidays, plug/voltage, date formats) for 162 countries. Human-readable pages: https://globalrules.org/sitemap.xml Cross-country comparison tables (all countries in one table per topic): https://globalrules.org/compare/ — Markdown: append .md (e.g. https://globalrules.org/compare/vat-rate.md) Languages: English (default), plus localized pages at https://globalrules.org/ja/, https://globalrules.org/es/ Markdown for agents: every page is also available as Markdown — append .md to any URL (e.g. https://globalrules.org/jp/vat.md) or request with "Accept: text/markdown" Auth: none required for this site; data API is pay-per-call via x402 — see https://globalrules.org/auth.md and https://globalrules.org/.well-known/x402 ## API for AI agents (x402 / USDC on Base) Base URL: https://globalrules-api.onrender.com - GET https://globalrules-api.onrender.com/ — free service discovery (JSON: endpoints, pricing, coverage) - GET https://globalrules-api.onrender.com/api/v1/countries — list of 162 covered countries ($0.005/call) - GET https://globalrules-api.onrender.com/api/v1/country/{ISO2} — all ~50 facts for one country ($0.01/call), e.g. https://globalrules-api.onrender.com/api/v1/country/JP - GET https://globalrules-api.onrender.com/api/v1/country/{ISO2}/{field} — one field ($0.01/call), e.g. https://globalrules-api.onrender.com/api/v1/country/JP/vat Payment: HTTP 402 x402 protocol, USDC on Base. Any x402-capable client/agent can pay per call automatically. Last updated: 2026-09-04 Terms: Sample dataset for prototype. Verify against official government sources before production use. Provided as-is, no warranty.