Validate postal codes from 30+ countries. Auto-detect country by format.
postal
code
zip
+5
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$9/month
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- One API key, billed once a month
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Postal Code Validator
Validate and detect postal codes from 30+ countries.
What it does
validate_postal_code — checks if a postal code matches the format of a specific country.
- Input: 90210, country: US → valid ✅
- Input: SW1A 1AA, country: UK → valid ✅
- Input: 12345, country: DE → valid ✅
detect_country — detects which country a postal code belongs to.
- Input: 00-001 → Poland
- Input: 10115 → Germany
- Input: M5V 2T6 → Canada
Supported countries
US, UK, CA, DE, FR, IT, ES, PL, UA, NL, BE, CH, AT, SE, NO, DK, FI, JP, CN, IN, BR, AU, NZ, RU, CZ, SK, HU, RO, PT, GR, IE.
Why use it
- E-commerce — validate shipping addresses before checkout
- CRM — clean up customer data
- Forms — real-time validation
- Data cleaning — detect country from postal code alone
Pricing
- Free: 50 requests/day
- Pro: $9/month — 1,000 requests
- Pay-as-you-go: $0.02 per request