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YouTube supports video uploads only through Postsiva. Every upload requires a title; description and playlist assignment are optional.

Connect

One YouTube channel per workspace.

Post video

Required: title

YouTube rejects uploads without a title. Provide it via: If neither is set, the API returns an error:

Text limits

See Character limits.

Optional fields

Custom thumbnails work best for 16:9 long-form videos, not Shorts.

Upload workflow

  1. Upload videoPOST /media/upload (chunked for files ≥ 10 MB)
  2. PostPOST /unified/post/video with video_id and title
  3. Verify — Check YouTube Studio or GET /unified/posts?platforms=youtube

Scheduling

Multi-platform video

Share one video to YouTube plus social platforms:

Common errors