Postal codes

active

Postal / ZIP code validation by country — check a code against its ISO 3166-1 alpha-2 pattern, normalise casing and whitespace, inspect a country's pattern, or list every supported country.

SearchBasex402 v2exactpostal.openverbs.com ↗︎
Transactions · 30d
0
Volume · 30d
$0.00
Unique buyers · 30d
0
Uptime · 30d
100.0%
Latency p50
190ms
Reported calls · 30d
7

Endpoints (4 live)

  • POST /v1/spec — Return the validation regular expression (source and flags) used for a country's postal codes. (0.002 USDC on Base)
  • POST /v1/format — Normalise a postal code's casing and whitespace (uppercase, collapse runs of spaces) and report whether the normalised form is valid for the country. (0.002 USDC on Base)
  • POST /v1/validate — 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. (0.002 USDC on Base)
  • POST /v1/countries — List every ISO 3166-1 alpha-2 country code for which a postal-code pattern is available. (0.002 USDC on Base)

First seen · last seen