Substack Newsletter Sponsorship Prospect Finder

Substack Notes Scraper 🔍

easyapi/substack-notes-scraper

Extract notes and comments from Substack's search results with images, user info, and engagement metrics. Perfect for content analysis, user research, and tracking discussions around specific topics on Substack.

Substack Scraper - Newsletters, Posts & Creator Leads

scrapesage/substack-scraper

Scrape Substack: search newsletters by keyword, browse category leaderboards, pull full publication profiles (subscribers, paid pricing, podcast), posts, authors and the recommendation network. Turn creators into leads with contact emails. Monitoring mode. No API key, no browser.

Substack Publications Scraper 📚

easyapi/substack-publications-scraper

Scrape detailed publication information from Substack based on keywords. Get comprehensive data about newsletters, authors, subscriber counts, and publication metrics in structured JSON format.

Substack & Beehiiv Newsletter Sponsor Intelligence

dataflow-tools/newsletter-sponsor-intelligence

Discovers Substack and Beehiiv newsletters, enriches them with direct contact info, and audits recent issues for sponsor disclosures and commercial links to surface high-intent sponsorship leads.

Substack Notes Search and Author Monitor

automation-lab/substack-notes-search-author-monitor

🔎 Search public Substack Notes and monitor author activity with stable IDs, text, timestamps, engagement counts, media, and outbound links.

Substack Scraper — Posts, Notes & Subscriber Growth

brilliant_gum/substack-insights-scraper

Scrape Substack publications, posts (HTML + markdown for AI/RAG), comments, Notes feeds, author profiles and contact info from bios. Input-time filters (paywall, reactions, words, keywords, subscribers). Historical subscriber-growth tracking across scheduled runs.

Substack Scraper - Posts, Subscribers & Paid Plan Prices

cirkit/substack-newsletter-scraper

Scrape any Substack newsletter archive: post title, subtitle, date, full text, paywall state, likes, restacks and comment counts, plus the publication's subscriber size, paid plan prices and bestseller tier. Custom domains supported. No login, one flat price.

Newsletter Sponsor Finder

seeb/newsletter-sponsor-finder

Extract sponsor names, offers, and links from public newsletter archive and article pages.

Substack Scraper – Newsletter Posts, Engagement & Monitoring

bitofacoder/substack-scraper

Scrape any Substack newsletter's full post archive with engagement metadata (likes, comments, paywall status, word count, authors), fetch single posts, and monitor newsletters incrementally — via Substack's public JSON API. No login.

Track Substack publications by subscriber count, paid vs free posting cadence, comments, and writer profile. Built for ad networks, creator economy VCs, agencies, and writers reverse engineering top performers. Pay per publication.