Real-Time Sync: WebSub, PubSubHubbub & Smart Polling

Get notified the moment new content is published using push webhooks (YouTube, WordPress) or efficient polling with etag/last-modified caching.

Syncwebsubpubsubhubbubpush notificationspollingreal-timeinstant sync

Overview

This guide covers Real-Time Sync: WebSub, PubSubHubbub & Smart Polling in depth. From setup to advanced AI enhancements.

Step-by-Step

  1. Connect: Paste RSS URL → auto-detect.
  2. Choose Mode: Pure (default) or AI-Enhanced.
  3. Schedule: Real-time, delayed, or digest.
  4. Publish: Auto-post with UTM and validation.

FAQ

Can I post paid Substack content?
Only free posts. Paid content is filtered by default.
Does it support video?
Yes — YouTube, enclosures, and AI quote reels.
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