Embedding a PowerBI App in a web page?

Hi paulmadison ,

Here are three ways to embed from power bi:

1.publish to web 

Here is the reference:https://docs.microsoft.com/en-us/power-bi/collaborate-share/service-publish-to-web

2.Rest APIs

Here is the reference:https://docs.microsoft.com/en-us/power-bi/developer/embedded/embedding

                                 https://docs.microsoft.com/en-us/power-bi/developer/embedded/embed-sample-for-customers

3.Embeded 

Here is the reference:https://docs.microsoft.com/en-us/power-bi/collaborate-share/service-embed-secure

With the above 3 ways,you can all use iframe.