Swift integration
curl \
# append ?api_key=$API_KEY to the URL \
https://api.nexmo.com/ni/basic/{format}curl \
# append ?api_key=$API_KEY to the URL \
https://api.nexmo.com/ni/advanced/{format}curl \
# append ?api_key=$API_KEY to the URL \
https://api.nexmo.com/ni/standard/{format}