The Acast Embed Player is certified by Embedly!
This means that the player can be used on sites such as Medium. For details for how to test out using the player can be found here at Embed.ly
Lots of sites, such as Medium, require embed players to be Embedly approved. Here's an example of how the Acast Embed Player looks when used within an Acast Medium article.
Learn more here about how to use the Acast Embed Player postMessage API.