Or they could “pull an Apple podcast” - anyone can register their podcast for free, the actual MP3 are played from your server (unlike Google and Spotify) and t

Or they could “pull an Apple podcast” - anyone can register their podcast for free, the actual MP3 are played from your server (unlike Google and Spotify) and there has been a documented API of its index that anyone freely use and that is used by many third party players on both iOS and Android. The API has been available since 2005.