📬 Substack Scraper

Three Substack tools in one: full newsletter archives, keyword search across all of Substack, and newsletter discovery with subscriber counts. Posts come with likes, comments, restacks, authors and paywall status, plus optional full text and reader comments.

Substack Scraper reads any Substack newsletter, including custom domains like lennysnewsletter.com. Pull a publication's entire archive, search posts across every newsletter on Substack, or find newsletters about a topic and get their subscriber count, author and description. It's built for creator research, sponsorship prospecting, content analysis and building text datasets.

🎯 Who uses it	💡 What for
Newsletter operators, sponsors and ad buyers, marketers, VCs, researchers, AI teams	Competitor analysis, sponsor and partner prospecting, trend research, content benchmarking, text datasets

📋 What it does

• 📚 Full archive of any newsletter, sorted by newest or top posts.
• 🔎 Post search across all of Substack by keyword.
• 🧭 Newsletter discovery. Find newsletters about a topic and get subscribers, author, description, language and paid-plan status.
• 🔒 Paywall aware. Every post shows its audience (free or paid), and you can keep only free or only paid posts.
• 📅 Date range filter. Archive paging stops once it passes your start date.
• 📝 Full text and HTML of each post (free preview for paid posts).
• 💬 Reader comments with author, text, likes, replies and thread depth.

ℹ️ Free Apify plan: runs return a preview of up to 10 results. Any paid Apify plan unlocks the full results.

📊 Output

Real post record (trimmed):

{
    "type": "post",
    "title": "All of the Lenny & Friends Summit talks are now online!",
    "subtitle": "Plus, some reflections and takeaways from the day",
    "url": "https://www.lennysnewsletter.com/p/all-of-the-lenny-and-friends-summit",
    "publishedAt": "2026-09-29T13:15:57.512Z",
    "audience": "everyone",
    "isPaid": false,
    "authors": ["Lenny Rachitsky"],
    "likes": 228,
    "comments": 2,
    "restacks": 2,
    "wordCount": 1276,
    "publicationName": "Lenny's Newsletter",
    "publicationSubscribers": "1.2M+",
    "publicationHasPaidPlans": true,
    "contentText": "👋 Hey there, I'm Lenny. Each week, I share deeply researched product, growth, and career advice...",
    "commentList": [
        { "author": "Justin Wormley", "text": "thank you for existing", "likes": 3, "replies": 0, "depth": 0, "date": "2026-09-29T15:30:12.240Z" }
    ]
}

Real newsletter discovery results for personal finance:

Newsletter	Subscribers	Author
The 5-Minute Finance	129K+	Christopher Lewis
Finance School	66K+	Ankur Tripathi
Beyond Your Budget	10K+	Michela Allocca

⚙️ Input example

{
    "publications": ["https://www.lennysnewsletter.com", "noahpinion"],
    "searchPosts": ["ai agents"],
    "searchPublications": ["personal finance"],
    "maxPostsPerSource": 200,
    "audience": "free",
    "includeContent": true
}

✨ Why this one

• ✅ Three modes in one Actor: archives, post search and newsletter discovery.
• ✅ Subscriber counts for every newsletter, which is what sponsors and analysts actually need.
• ✅ Custom domains supported.
• ✅ Paywall status and filter.
• ✅ Polite by design. Substack rate limits are handled with automatic backoff, so runs finish instead of failing.

❓ FAQ

Can I get the full text of paid posts? No. Only the free preview that Substack shows publicly.

Are subscriber counts exact? Substack shows rounded values like 1.2M+ or 66K+. Those are returned as shown.

Do I need a Substack account? No.

⚖️ Disclaimer

This Actor collects publicly available data from Substack. It is not affiliated with Substack. Respect authors' copyright when you reuse content.