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YouTube

Connect YouTube to Postline to schedule video uploads with a title, thumbnail and first comment, and see views, likes and comments.

On this pageWhat you can postConnect your accountFor self-hostersAnalytics and plugsKnown issues

What you can post

  • Every post needs exactly one video.
  • You can add one image, which becomes the video's thumbnail.
  • The post text becomes the video description, up to 5,000 characters.
  • Vertical videos under 3 minutes appear as Shorts.
  • Extra parts of a post are published as comments on the video.
  • Per-post settings:
    • Title: required, up to 100 characters.
    • Visibility: Public, Unlisted or Private. The default is Public.
    • Category: the default is People & Blogs.
    • Tags: comma separated.
    • Made for kids: required by law (COPPA) to be set correctly.

Connect your account

  1. In the sidebar, click + Add next to Channels. Only workspace owners and admins can add channels.
  2. Choose YouTube.
  3. Click Continue to YouTube, sign in with Google and allow access.
  4. Postline adds the YouTube channels on that Google account.

For self-hosters

  1. Create an OAuth client in Google Cloud and enable the YouTube Data API v3.
  2. Register this redirect URL: {APP_URL}/api/channels/oauth/youtube/callback
  3. Set YOUTUBE_CLIENT_ID and YOUTUBE_CLIENT_SECRET. If you leave them empty, Postline uses GOOGLE_CLIENT_ID and GOOGLE_CLIENT_SECRET.

Until Google approves your app, only the app's own test users can connect it.

Analytics and plugs

Postline collects views, likes and comments per video, and tracks your subscriber count (shown as followers).

Plugs:

  • Auto-repost: not supported.
  • Follow-up: supported. Postline adds a follow-up comment once the video reaches the number of likes you set.

Known issues

  • YouTube needs exactly one video. Add at most one image, used as the thumbnail.
  • Custom thumbnails need a verified YouTube account. If YouTube rejects the thumbnail, the video is still published without it.
  • Connecting fails with "This Google account has no YouTube channel. Create one first." if the account has no channel.
  • Postline refreshes the Google access token automatically. If access was revoked or no refresh token is stored, you see "Google access was revoked. Reconnect the channel." or "Google access expired. Reconnect the channel."
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