Why is BigDataCloud's Reverse Geocoding API Free?
Reverse geocoding converts GPS coordinates (latitude and longitude) into human-readable location information such as city, suburb, and region. Many providers charge for this and impose usage limits. BigDataCloud's free client-side Reverse Geocoding API is available at no cost for qualifying use cases. Here is how and why.
How the free model works
When a browser or mobile app calls the client-side API with the user's current coordinates (obtained with consent), our systems observe the requesting IP address alongside those coordinates. We aggregate these pairings anonymously to improve and validate our IP geolocation data — this anonymous signal is what powers resources like our Daily IP Geolocation Accuracy Report and helps keep our IP geolocation services accurate over time. In return, you get fast, reliable reverse geocoding for your client-side application at no cost.
Privacy by design
The free client-side endpoint does not require an API key and is designed to work directly in the browser or device application. We use the incoming coordinate and network signals to improve data quality, not to identify individual users. For background on our broader approach to location data, see our Privacy and Cookie Policy.
Fair use requirements
To keep the service free and reliable for everyone, the free client-side API must be used in line with our Fair Use Policy. In short:
- Call the free endpoint directly from the user's device, using only the device's current location obtained with consent — for example via the HTML5 Geolocation API on the web or native location SDKs on mobile.
- Do not call this endpoint from a server, or with pre-stored or third-party coordinates.
- Automated or abusive usage patterns may result in an IP-level block.
If your use case requires server-side processing, batching, or stored coordinates, use the server-side Reverse Geocoding API instead. It returns the same data and includes a free monthly allocation with an API key.
Why we can sustain the free offer
Legitimate client-side usage generates high-quality, real-world location signals that help us benchmark and improve our IP geolocation models. This makes the platform stronger for all users and supports our broader API products. Because the free endpoint directly contributes to data quality, we can keep offering it at no cost — provided it is used as intended.