Is there a way to check if a name is available in the AppStore with an HTTP request? Without manually creating the App in iTunes Connect?
2020 Update
*For apple developer have another application
Choose any application your own
Click "+New Version"
Click "App Information" (Then you can edit application name)
Input your application name that name want to check available then click "Save"
If you can save without error, You can use this name. (You can change to another name if you want to make this name available again then click "Save")
If this name not available you get error same this