PostalDataPI
PostalDataPI is a global postal code lookup, validation, and geocoding API built for developers. It covers 70+ countries — from US ZIP codes to UK postcodes to German PLZ and Japanese postal codes — with a single API key and a unified endpoint. Use it for address validation, shipping logistics, form autofill, location-based services, and mapping applications. Every query returns city,…
1 subscribers
9/10 popularity
4416 ms avg latency
85% success rate
5 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
PostalDataPI endpoints
| Method | Endpoint | Description |
|---|---|---|
| POST |
Postal Code Lookup /api/lookup |
# POST /api/lookup ## Returns city, state/region, and country data for a postal code. Supports 70+ countries. |
| POST |
Postal Code Validation /api/validate |
Checks whether a postal code exists in a given country. Returns true/false. |
| POST |
City Search /api/city |
Returns a list of postal codes for a given city name. For US queries, state (ST) is required. |
| POST |
Postal Code Metadata /api/metazip |
Returns all available metadata for a postal code: coordinates, county, timezone, state, and more. |
| POST |
About API /api/aboutapi |
Returns API version, coverage info, and account balance. Useful for health checks and verifying connectivity. |
PostalDataPI pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC Recommended | Free | 100 / hour |
|
