Have you tried TexAu — https://texau.com it is like Phantom but on steroids. Source: over 2 years ago

Unsplash - Unsplash free and unlimited api for photos. - Source: dev.to / about 1 month ago

Unsplash stands as a premier destination for high-quality imagery, boasting a collection of over 3 million high-resolution photographs. This vast resource is powered by a dedicated community of approximately 300,000 photographers worldwide. The Unsplash Image API is an advanced and user-friendly JSON API, crafted to seamlessly integrate with a variety of applications. It features official libraries for Javascript,... - Source: dev.to / 5 months ago

Unsplash's API allows you to dynamically fetch high-quality images, making it a go-to resource for adding a touch of creativity to your web applications. - Source: dev.to / 6 months ago

Navigate to this URL, and click on the "Register as a developer" button displayed at the top right corner of the page. Create your account by entering all the necessary details. - Source: dev.to / 8 months ago

Hmm sounds interesting currently I am getting background images using https://unsplash.com/developers api which gets landscape images of different cities based on what city the user wants weather from. Source: about 1 year ago