Base path /geocode/ on https://gw.taxiaddis.com.
Authenticate with the X-API-Key header.
Params: q, format, limit, countrycodes.
curl -H "X-API-Key: tak_live_xxx" \
"https://gw.taxiaddis.com/geocode/search?q=meskel+square&format=json&limit=5&countrycodes=et"