> **For coding agents and LLMs:** This is one Social Fetch marketing page (markdown export). For API orientation start with [`/llms.txt`](https://www.socialfetch.dev/llms.txt); for auth and crawl rules use [`/agents.txt`](https://www.socialfetch.dev/agents.txt); for every operation use [`/llms-endpoints.txt`](https://www.socialfetch.dev/llms-endpoints.txt).

## This page

- **On-site (HTML):** <https://www.socialfetch.dev/answers/is-there-a-substack-api-for-publications-posts-and-notes>
- **Markdown (.mdx) URL:** <https://www.socialfetch.dev/answers/is-there-a-substack-api-for-publications-posts-and-notes.mdx>

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# Is there a Substack API for publications, posts and Notes?

Yes. Social Fetch has 26 Substack routes under /v1/substack covering publications, archives, post bodies, sitemaps, in-publication search, recommendations, feeds, posts, comments, reactors, restackers, reader profiles, Notes, subscriptions, search, categories, the explore feed and the publication directory. Authenticate with your Social Fetch API key in x-api-key.

Source: [Substack data API](https://www.socialfetch.dev/platforms/substack)