post https://api.onesignal.com/apps
Create a new OneSignal app
Requires User Authentication Key
Requires your OneSignal User Auth Key, available in Account & API Keys.
Getting the basic_auth_key
For security reasons, the
basic_auth_keyvalue in the HTTP response will be returned as null by default. Please contact OneSignal support if you would like this API to return this value and we can enable it for you.