I updated my unofficial Substack Posting API

Show HN: I updated my unofficial Substack Posting API

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A couple of days ago, I released my version of an unofficial Substack API. The main difference between it and all the other solutions available on the market is that it can actually post content, create tags, add images, save drafts, and so on. In other words, it is specifically a posting API. It is not designed to fetch posts or search for content — it is designed to publish something.The API is focused on allowing users to use it for publishing on Substack. It includes a CLI and an MCP, meaning the API is fully ready to work with AI agents.However, when users started signing up, I realized that most of them were not technically advanced users. For them, it was unclear what CLI, MCP, or API

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Website: apisubstack.com