This is a test post to verify the end-to-end Substack email publishing pipeline. If you are reading this on Substack, the pipeline is working correctly.
Pipeline Summary
- POST /api/admin/blog/publish inserts post to blog_posts (is_published=TRUE)
- Server emails HTML content to btcrepublican@substack.com via Polsia email proxy
- Substack auto-publishes the email as a new subscriber newsletter post
Date: 2026-05-02T05:42:44.644Z