Startup validation newsletters

NewsletterFIT tracks 3 newsletters that cover Startup validation as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Half Baked (100K), Steve Blank (26K) and Learn Easy AI (9K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Half Baked100K subscribers

    beehiivSeveral times a week · last post 18 days ago

    Likely audience: Startup founders

  2. 2
    Steve Blank26K subscribers

    SubstackMonthly or less · last post 30 days ago

    Likely audience: Startup founders

  3. 3
    Learn Easy AI9K subscribers

    SubstackSeveral times a week · last post 19 days ago

    Likely audience: Aspiring entrepreneurs

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