This extension allows backend users to search for images through Unsplash, directly from the TYPO3 backend.
It adds a new "Add media from Unsplash" button in Media fields. Images can then be searched using keywords and various filters.
composer require ideative/unsplash-connector
or download it from the TYPO3 Extension Repository and activate the extension in the Extension Manager of your TYPO3 installation.
Enter your Unsplash access key and secret key in the extension configuration.
Those credentials can be found at https://unsplash.com/oauth/applications once you've created you're logged into Unsplash Developer platform and created your app.