What this API does
The Zippopotam.us API provides developers with a straightforward way to retrieve detailed geographic data based on postal or ZIP codes from over 60 countries around the world. It offers city, state, country, and latitude/longitude coordinates, making it an invaluable tool for address form auto-fill, geolocation, and validation processes.
How it works
Developers can send simple HTTP GET requests to retrieve data. The API returns responses in JSON format, which makes integration into web or mobile applications easy. For instance, querying the US ZIP code info follows the endpoint pattern '/us/{zip_code}' or for German postal codes '/de/{postal_code}'.
Authentication
No authentication is required to use the Zippopotam.us API. All endpoints are publicly accessible, allowing immediate integration without needing API keys.
Example usage
/us/90210- Retrieves data for the ZIP code 90210, including city and state./de/10115- Fetches details for the postal code 10115 in Germany.
Limits
The Zippopotam.us API has no documented rate limits. Developers can make requests freely without restrictions.
Ideal use cases
- Implementing address auto-fill features in web forms.
- Geolocation services that require address validation.
- Data enrichment for customer address databases.
- Applications requiring international postal code lookup functionality.