Task

Zip Code Validation

1 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Validate a postal code x402 REST usage

Check whether a postal / ZIP code is well-formed for a country (ISO 3166-1 alpha-2). A malformed code is a successful result with `valid:false`, not an error — only an unsupported country or empty code is a 400.

postal.openverbs.com Geo & Maps 1 calls / 30d checked 2026-10-26

0.002 USDC per call per call

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