Best API Security Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover API security as a primary topic, 3 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are ToxSec - AI and Cybersecurity (3K).

Updated Nov 6, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    ToxSec - AI and Cybersecurity 3K subscribers

    SubstackEvery two weeks · last post 2 days ago

    From recent posts: ToxSec publishes technical articles analyzing AI agent security risks, automation accountability, and evolving threats like AI-powered phishing and deepfakes. The content targets developers and security professionals…

    Likely audience: CTOs

  2. 2
    The Zero Trust Cohort—

    LinkedInEvery two weeks · last post 18 days ago

    Practical insights on Network Security, Cloud Security, GRC, Zero Trust, and AI Security for modern enterprises.

    Likely audience: Enterprise Architects

  3. 3
    Daily Tech Trends—

    LinkedInEvery two weeks · last post 17 days ago

    Stay ahead of the curve with our newsletter, Tech Trends. Get the latest updates and insights into the rapidly evolving

    Likely audience: Software engineers

  4. 4
    Mo Taha—

    Substacklast post Nov 9, 2024

    From recent posts: Mo Taha publishes technical articles on building AI tools and automation for developers, specifically focusing on integrating LLMs with platforms like Jira and Slack. The content is written by a software engineer and…

    Likely audience: Jira administrators

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