APIs with AppInventor Apps

I am looking for a Tutorial or Reference about How to use APIs with AppInventor Apps.
Considering than the early Tutorial using yahoo finance API is obsolete, since I believe that this API doesn’t exist anymore. Tks.

How to work with the web component and an API by Stephen


Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.

Thank You ABG