Tutorials:
Using the OpenCage Geocoding API from the command line
The API is is accessed via an HTTP GET request with a few parameters. There is no need to set any headers or cookies. Note that you will need to URI encode the query for forward geocoding (address to coordinates) requests.curl - reverse geocoding example
$ curl 'https://api.opencagedata.com/geocode/v1/json?q=-23.5373732,-46.8374628&pretty=1&key=YOUR-API-KEY'
curl - forward geocoding example
$ curl 'https://api.opencagedata.com/geocode/v1/json?q=Philipsbornstra%C3%9Fe+2,+30165+Hanover,+Germany&pretty=1&key=YOUR-API-KEY'
HTTPie
$ http GET https://api.opencagedata.com/geocode/v1/json q==-23.5373732,-46.8374628 pretty==1 key==YOUR-API-KEY
WGET
$ WGET 'https://api.opencagedata.com/geocode/v1/json?q=-23.5373732,-46.8374628&pretty=1&key=YOUR-API-KEY' -O results.json