- Application Programming Interfaces ( APIs ) are built into web browsers so you can do anything from dynamic HTML documents to CSS sets you’ve created.
- Third-party APIs provide access for programmers to connect their applications to websites or other applications, such as Facebook and Twitter. Have you ever logged into Soundcloud using a Facebook account? Well, here’s one example of a third party.
- Third-party frameworks and libraries can be embedded in HTML, allowing programmers to quickly build websites or create applications.