From Legal | Y Combinator | Terms of Use | Conditions of Use [1]<p>[1] <a href="https://www.ycombinator.com/legal/#tou">https://www.ycombinator.com/legal/#tou</a><p><pre><code> > Commercial Use: Unless otherwise expressly authorized herein or in the Site, you agree not to display, distribute, license, perform, publish, reproduce, duplicate, copy, create derivative works from, modify, sell, resell, exploit, transfer or upload for any commercial purposes, any portion of the Site, use of the Site, or access to the Site.
> The buying, exchanging, selling and/or promotion (commercial or otherwise) of upvotes, comments, submissions, accounts (or any aspect of your account or any other account), karma, and/or content is strictly prohibited, constitutes a material breach of these Terms of Use, and could result in legal liability.
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From [1] Terms of Use | Intellectual Property Rights:<p><pre><code> > Except as expressly authorized by Y Combinator, you agree not to modify, copy, frame, scrape, rent, lease, loan, sell, distribute or create derivative works based on the Site or the Site Content, in whole or in part, except that the foregoing does not apply to your own User Content (as defined below) that you legally upload to the Site.
> In connection with your use of the Site you will not engage in or use any data mining, robots, scraping or similar data gathering or extraction methods.</code></pre>