substack.com
List Substack newsletter posts
Input
publicationUrl requiredBase URL of the Substack publication, e.g. https://example.substack.com (a publication's own domain also works)
sort optionalSort order: "new" (most recent first) or "top" (most reactions first)
Default: "new"limit optionalMaximum number of posts to return
Default: 12offset optionalNumber of posts to skip, for pagination
Default: 0search optionalOptional keyword filter over the publication's posts
Default: ""Output
sort requiredcount requiredlimit requiredposts requiredoffset requiredpublicationUrl requiredPost 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.
Subscribe to Substack publication
Subscribe the logged-in account to a Substack publication's free tier.
Unsubscribe from Substack publication
Unsubscribe the logged-in account from a Substack publication.