OpenCage Guides: recipes for common developer tasks

Examples and recipes for common developer use cases and questions

Using OpenCage - API Reference | SDKs | Tutorials | Guides

Formatting your query
- Clean up your queries to get the results you need.
Speed up your geocoding
- Run your geocoding faster.
Geocoding large datasets
- Points to consider when processing massive volumes of locations.
Geocoding accuracy
- Is this the result you're looking for?
Migrating from Nominatim
- Switch to OpenCage from Nominatim
Migrating from Google Maps
- Switch to OpenCage from Google Maps geocoding
Build or Buy?
- Should you write your own geocoder?
Limit API results to a certain country or region
- Only get the geocoding results you need.
Geocoding and postal codes
- Common questions and misunderstandings related to postal codes
Putting results on a map
- How to display geocoding results on a map.
Browser Geolocation
- Determine a user's location with browser geolocation.
Show an imprecise location
- Show only a rough or imprecise location to preserve privacy.
Writing an SDK or integration
- Step-by-step guide to writing an SDK for our geocoding API
Convert image GPS coordinates into location information
- How to turn image coordinates into useful location information
Convert coordinates into country
- Determining which country coordinates are located in
Protect your API key
- Best practices for keeping your API key safe.