Most n8n templates for posting video wire up each platform's API on its own, with its own app review, tokens and limits. A simpler workflow sends the video once to a publishing API and lets it reach every platform. Step by step, with the HTTP Request node.
Cross-posting one video to TikTok, YouTube, Instagram, Facebook, X, LinkedIn, Threads, Pinterest and Bluesky is mostly the same job nine times, except for the parts that aren't. A field guide to what changes per platform: shape, length, captions, privacy, scheduling and AI labels.
Instagram's API can publish Reels, but only to professional accounts, through a container-then-publish flow, and only to accounts you manage until Meta's App Review. A practical guide to both login paths, the specs and the daily limit.
Every post from an unaudited TikTok app is private, and at most five people a day can use it. Here is what the Content Posting API audit checks, and the Direct Post screen TikTok requires before it lets your posts go public.
The YouTube Data API's upload quota changed twice in the last year, and on 2 November 2026 Google lifted the private-only lock on unverified projects. What an upload costs now, how many videos you get a day, and what still needs an audit.