# Services from formataddress.com on Zero

> formataddress.com 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/formataddress.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/formataddress.com/health.json

## Services

- [Format Address API – Country Formatting Rules](https://www.zero.xyz/c/format-address-api-country-formatting-rules-6a099514/llms.txt): $0.001/call via x402. Returns per-country postal address format rules, field order, postal code patterns, and subdivision metadata for a given ISO 3166-1 alpha-2 country code.
- [Format Address API](https://www.zero.xyz/c/format-address-api-dd7faa6b/llms.txt): $0.001/call via x402. Formats and validates postal addresses for 252 countries using Google's libaddressinput metadata, returning correctly structured address blocks with per-country formatting rules.
- [Format Address API – Subdivisions Lookup](https://www.zero.xyz/c/format-address-api-subdivisions-lookup-cac71fd7/llms.txt): $0.001/call via x402. Returns the list of administrative subdivisions (states, prefectures, provinces, etc.) for a given country, including their codes, names, Latin names, and postal code patterns.
- [Format Address API — Verify](https://www.zero.xyz/c/format-address-api-verify-4f03b91b/llms.txt): $0.001/call via x402. Validates and formats a postal address block against Google's libaddressinput rules for a given country, returning whether the address is valid and what problems were found.

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)