name: text-to-published-podcast-rss description: | Helps an agent or app to turn text into audio podcast episodes. One API call creates an episode using TTS and auto-publish to an RSS feed subscribable in any podcast app.

Text to Published Podcast RSS - cast0 API

Text in, podcast episode out. The text field is read verbatim by TTS, not interpreted as a prompt. Episodes auto-publish to an RSS feed compatible with Apple Podcasts, Spotify, Overcast, and other podcast apps.

Base URL: https://api.cast0.ai Auth: Authorization: Bearer pk_xxxxx Docs: https://api.cast0.ai/docs

Setup

Ask the user to create a podcast (= show) at https://cast0.ai. The dashboard is where the user can:

• Get the API key and RSS feed URL
• Change podcast settings (voice, TTS model, speed, name)

Each API key is tied to one podcast. Once you have the key, save it:

echo "CAST0_API_KEY=pk_xxxxx" >> .env

Create an Episode

curl -X POST https://api.cast0.ai/api/episodes \
  -H "Authorization: Bearer pk_xxxxx" \
  -H "Content-Type: application/json" \
  -d '{"title": "Daily Standup", "text": "Here is what happened today..."}'

Returns 201 with the episode id and "status": "queued".

Poll for Completion

Generation is async: queued → processing → done | failed.

curl https://api.cast0.ai/api/episodes/EPISODE_ID \
  -H "Authorization: Bearer pk_xxxxx"

When "done", the response includes audioUrl with the MP3 link.

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List Episodes

curl https://api.cast0.ai/api/episodes \
  -H "Authorization: Bearer pk_xxxxx"

RSS Feed

Every podcast has a public feed URL (no auth):

https://api.cast0.ai/rss/FEED_TOKEN

Subscribe in any podcast app. New episodes appear automatically after generation.

Endpoints

這個Skill質量中等偏上。優點是文件簡潔明瞭，核心功能描述清晰，API使用步驟完整，普通人能快速上手建立播客。不足之處是缺少使用過程中遇到問題時的幫助指引，沒有告訴使用者生成失敗該怎麼辦，也沒有說明音訊合成的質量效果如何。總體適合需要基礎播客生成功能的使用者，但對高階使用者來說資訊量略顯不足。