substack.com
Subscribe to Substack publication
Input
publicationUrl requiredBase URL of the Substack publication, e.g. https://example.substack.com
Output
subscribed requiredpublicationId requiredpublicationUrl requiredsubscriptionId optionalList Substack newsletter posts
List a Substack publication's posts from its archive, newest or top first, with optional keyword search and pagination. Returns each post's title, slug, publish date, paywall status, and reaction/comment/restack counts.
Post Substack comment
Post a comment on a Substack post as the logged-in account. The account needs a display name set up on Substack first (via any post's comment box) — the script fails loudly with instructions if it isn't.
Unsubscribe from Substack publication
Unsubscribe the logged-in account from a Substack publication.