Substack Live
Unofficial Substack API
A live REST API for public Substack data. Search posts, people, and publications. Read feeds, comments, profiles, and archives. Not affiliated with Substack.
What you can call
Search
- Top posts and comments
- Post search
- People search
- Publication search
Read
- Category feeds
- Publication archives
- Posts by ID or slug
- Comments and replies
Discover
- Categories and leaderboards
- Explore tabs
- Public profiles and activity
- Publication recommendations
How it behaves
Successful responses wrap Substack JSON as { "data": ... }. Missing parameters return 400. Unknown resources return 404. Upstream timeouts return 504.
Subscribe and get a key on RapidAPI. Use it on every request. Live support is on Discord.