Go to wondercraft.ai/studio, and find the audio file for the podcast episode you created.
Make sure all audio clips have been generated. Navigate to the top right corner of the page and press Export > Download.
Log into Spotify for podcasters: https://creators.spotify.com/
Create a new show.
If this is your first show on Spotify, you will be directed to https://creators.spotify.com/addpodcast. Click to accept their terms and conditions.
If you have an existing show on Spotify, click on your profile icon in the top right, and select Add a show.
Select Create a new show.
Name your podcast and write down a description for your podcast. Fill in the creator name, category and language.
Next, upload the cover art for your podcast.
Under Get started, click on Publish an episode.
You would need to have set up your show and verified your email address to publish a podcast episode.
Drag and drop the wav/mp3 file you downloaded from Wondercraft into the right-hand side of the page.
Follow the steps on screen to finish publishing your first episode.
Future episodes can be uploaded via https://creators.spotify.com/pod/dashboard/home > New episode on the left.