How to Scrape Substack Newsletters in 2026: Posts, Authors, Subscriber Counts

Substack has become the go-to platform for independent writers and newsletters, but extracting data from it at scale has always been a pain. The official API is limited, requires authentication, and does not support bulk operations. In this guide, I will show you how to scrape Substack newsletters — posts, author profiles, and publication stats — using the Substack Scraper on Apify. No API keys, no Substack account, no rate limit headaches. Why Not Use the Substack API? Substack does have an API, but it comes with serious limitations: Authentication required — you need a Substack account and session cookies No bulk endpoints — you can only fetch one post or one publication at a time Rate limits — aggressive throttling if you make too many requests No subscriber count data — Substack hides this from public endpoints Undocumented and unstable — endpoints change without notice The Substack Scraper bypasses all of this by parsing public pages directly. It extracts data that is visible to a