In the Unsplash License, we state, “This license does not include the right to compile images from Unsplash to replicate a similar or competing service.” Here are some examples of what we mean by that:
Mass scraping or crawling images from Unsplash and using those images to build a site just like Unsplash where your users could download, copy, modify, distribute or use images originally found on Unsplash, for personal or commercial use.
Using Unsplash content to submit it as your own on any other image sharing or stock image website;
In addition, using the images in connection with machine learning and/or artificial intelligence purposes, or for technologies designed or intended for the identification of natural persons is restricted. Please visit https://unsplash.com/data for more information.