The server-side API lets you communicate with your itch.io account via an API key to make queries and changes.
Documentation for server-side API
OAuth applications allow you to make requests to the itch.io API on behalf of another user.
Documentation for OAuth applications
The JavaScript lets you embed a custom buy button on your site.
Documentation for JavaScript API
The itch.io widget is an iframe
based snippet of HTML that you can
embed into your existing page. For any projects you control, you can generate
the necessary code by clicking the Widgets link next your game in your
dashboard.
Additionally, you can find an Embed link at the bottom of any project page to generate the widget embed code.
Looking for a way to subscribe to new games on itch.io?
For any browse page URL, such as http://itch.io/games/price-free, you can append .xml to the end of the URL to get access to an RSS feed containing those games, eg.: http://itch.io/games/price-free.xml
Additionally the following feeds are available:
Follow itch.io on Twitter, Facebook or Join our Discord for new games and site updates.