Using the OpenCage Geocoding API with cURL
$ curl 'https://api.opencagedata.com/geocode/v1/json?q=-23.5373732,-46.8374628&pretty=1&key=YOUR-API-KEY'
Using the OpenCage Geocoding API with WGET
$ WGET 'https://api.opencagedata.com/geocode/v1/json?q=-23.5373732,-46.8374628&pretty=1&key=YOUR-API-KEY' -O results.json