This is a premium version of the External Media popular Wordpress plugin. Import high quality free stock photos into your Wordpress site.
In addition to Google Drive, OneDrive, Box, Dropbox provided by free version the External Media Premium plugin will get you support for Unsplash, Instagram, Pexels, Pixabay, AWS or any other external URL with support for referer header.
You would need to obtain credentials for the third-party credentials (API keys, App Keys and App Secrets). Each plugin configuration form includes links to pages where you would be able to find the steps needed to obtain required information.
If you have any questions or suggestions please let me know.