# Services from address-formats.x402tookit.com on Zero

> address-formats.x402tookit.com serves 8 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/address-formats.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/address-formats.x402tookit.com/health.json

## Services

- [International Address Formats – Postal Code Validator](https://www.zero.xyz/c/international-address-formats-postal-code-validator-2ac97b9c/llms.txt): $0.02/call via x402. Validates a postal code against a country's regex pattern and optionally checks it against a state/province subdivision prefix pattern.
- [International Address Formats – Country Subdivisions Lookup](https://www.zero.xyz/c/international-address-formats-country-subdivisions-lookup-3a5763ad/llms.txt): $0.02/call via x402. Returns administrative divisions (states, provinces, regions) for a given country, including ISO codes, names, and postal prefix patterns.
- [International Address Formats – Country Postal Layout](https://www.zero.xyz/c/international-address-formats-country-postal-layout-e88f5da4/llms.txt): $0.02/call via x402. Returns a country's postal address layout including line order template, required fields, uppercase rules, and localized field labels for a given ISO 3166-1 alpha-2 country code.
- [International Address Formats – Country Address Fields Lookup](https://www.zero.xyz/c/international-address-formats-country-address-fields-lookup-70e0fb39/llms.txt): $0.02/call via x402. Returns which address fields (state, city, district, postal code) a given country uses, along with their local labels and whether each field is required.
- [International Address Formatter](https://www.zero.xyz/c/international-address-formatter-4c2d7ad3/llms.txt): $0.02/call via x402. Renders address fields into a country's standard multi-line mailing format with correct ordering, casing, and missing-field reporting.
- [International Address Formats – Postal Code Examples by Country](https://www.zero.xyz/c/international-address-formats-postal-code-examples-by-country-2de89803/llms.txt): $0.02/call via x402. Returns sample postal codes for a given country, each validated against that country's regex pattern, with pattern details and match results.
- [International Address Formats – Postal Code Country Classifier](https://www.zero.xyz/c/international-address-formats-postal-code-country-classifier-4b66282d/llms.txt): $0.02/call via x402. Guesses which country or countries a postal code belongs to based on its format/shape, flagging ambiguity when multiple countries match.
- [International Address Formats – PO Box Heuristic Check](https://www.zero.xyz/c/international-address-formats-po-box-heuristic-check-3cc191bb/llms.txt): $0.02/call via x402. Heuristically detects whether an address line contains PO box wording across multiple languages including English, German, French, and Spanish.

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)