Substack Newsletter Scraper

Scrape Substack newsletter listings by category — technology, finance, business, health, politics, and 26 more. Returns newsletter name, URL, description, pricing, subscriber benefits, podcast status, and more. No login or API key required.

Use Cases

• Newsletter operators — competitive research on who's publishing in your niche, what they charge, and how they position their free vs. paid tiers
• Advertisers & sponsors — build a targeted list of newsletters to approach for sponsorship deals in your vertical
• PR & media agencies — find the right journalist or creator newsletters to pitch stories to
• Investors — track the creator economy, monitor newsletter growth across categories
• Sales teams — identify newsletters to partner with or advertise in for lead generation
• Researchers — analyze the Substack ecosystem, pricing trends, and content distribution

Input

Field	Type	Description
mode	String	category: browse newsletters by category. search: filter across all categories by keyword.
categories	Array	Category slugs to scrape. See full list below. Leave empty to scrape all 31 categories.
keywords	String	Keyword to filter newsletters by name or description (search mode only).
maxResults	Integer	Max newsletters to return. 0 = no limit. Default: 100.

Valid Category Slugs

technology · business · finance · culture · science · us-politics · world-politics · health-politics · health · news · sports · food · music · faith · climate · literature · fiction · design · travel · parenting · philosophy · comics · international · crypto · history · humor · education · film-and-tv · home-garden · art · fashionandbeauty

Output

Field	Description
name	Newsletter name
subdomain	Substack subdomain (e.g. bytebytego)
url	Full URL — custom domain if available, otherwise subdomain.substack.com
customDomain	Custom domain if the newsletter uses one
description	Newsletter tagline / hero description
authorId	Substack internal author ID
category	Category name
language	Primary language
paymentsEnabled	Whether paid subscriptions are active (Yes/No)
monthlyPrice	Monthly paid subscription price in USD
freeSubscriptionBenefits	What free subscribers receive
paidSubscriptionBenefits	What paid subscribers receive
podcastEnabled	Whether a podcast is published (Yes/No)
communityEnabled	Whether comments/community is active (Yes/No)
logoUrl	Newsletter logo image URL
createdAt	Date the newsletter was created
scrapedAt	Timestamp when this record was collected

Example Inputs

Top technology and finance newsletters:

{
  "mode": "category",
  "categories": ["technology", "finance"],
  "maxResults": 100
}

All newsletters across every category:

{
  "mode": "category",
  "categories": [],
  "maxResults": 0
}

Find newsletters about personal finance:

{
  "mode": "search",
  "keywords": "personal finance",
  "maxResults": 50
}

Notes

• Substack has thousands of public newsletters discoverable without a login
• Results are ordered by Substack's internal ranking (most prominent newsletters first)
• The search mode works by filtering category browse results against your keyword — it covers all 31 categories
• A 200ms delay between requests is applied to stay within respectful usage limits