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Substack

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Connect Substack 7 days free · OAuth only · No password shared

Pull public Substack data — newsletter posts, author/publication profiles, public metrics, plus topic search across posts, publications and writers.

What it does

Substack actions

5 actions

Ask in plain language — Praxivara picks the right Substack action, runs it, and confirms anything sensitive first.

List newsletter posts

List the most recent PUBLIC posts for a Substack publication — titles, dates, links and (optionally) public body content. Use when the user names a specific newsletter and wants its issues.

Get author & publication data

Fetch a Substack publication/author profile and public metrics (name, tagline, author, links, subscriber-style stats) without pulling every post. Use to research who is behind a newsletter.

Search posts by topic

Search Substack POSTS across all publications by keyword — great for finding who is writing about a topic and the latest takes. Supports recency windows and language.

Discover publications by topic

Find Substack PUBLICATIONS (newsletters) matching a keyword — names, descriptions, links and public stats. Use to build a shortlist of newsletters in a niche.

Discover writers by topic

Find Substack WRITERS/people matching a keyword — names, bios and profile links. Use for influencer/creator research in a niche.

What it watches for

Substack triggers

3 triggers

Events in Substack that can start an automation on their own — no clicks required once you set it up.

New newsletter issue Polling

Fire when a watched Substack publication publishes a NEW public post (by post URL / date).

Scheduled newsletter monitor Polling

On a cadence, pull the latest public posts from a watched publication and report what's new.

Topic watch (new posts) Polling

On a cadence, search posts for a keyword and report newly published items in the niche.

Just ask

What you can ask in plain English

No menus, no automation builder to learn. Type it like you'd ask a capable assistant — Praxivara figures out the Substack steps and shows you exactly what it did.

Catch me up on what needs my attention in Substack today.
Handle this in Substack and confirm before anything goes out.
Build me an AI agent that keeps Substack tidy every morning.
Pull the latest from Substack and turn it into a one-page report.
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