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postal-code-format
x402
postal-code-format is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Validates whether a postal/ZIP code matches the expected format for a given country, and returns the expected pattern and example for 30 countries.
Price / call$0.01
Success—
StatusUnknown
How this service works
Postal / ZIP code format check: the expected pattern and an example for 30 countries, and whether a given code matches it. Address validation without an address API. $0.01 per check.
Output
Returns the expected regex pattern and a format example for the specified country's postal codes, plus a boolean or match result indicating whether the provided code conforms to that pattern.
Example use cases
E-commerce checkout address validation
“Before we submit this order, can you verify that '10001' is a correctly formatted postal code for the United States?”
International form input validation
“A user entered 'H0H 0H0' as their Canadian postal code — does that match the expected format for Canada, and what pattern should Canadian postal codes follow?”
Data quality audit on address database
“I have a German postal code '1234' in my database — can you check if it matches the correct format for Germany and show me what the pattern should look like?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/data/postal-formatWhen to prefer
Use this endpoint when you need lightweight postal code format validation without integrating a full address verification API — ideal for form validation, data quality checks, or pre-screening user input across 30 supported countries at $0.01 per check.
Side effects
- Country not in the supported 30-country list returns an error or empty result
- Malformed query parameters result in a 400 error
- Payment failure (x402) if USDC funds are insufficient
- Edge cases with territories or overseas regions not matching base country patterns
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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