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Tibbie supports uploading images and videos to include in your posts.

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Supported formats

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Limits

  • Max file size: 250 MB
  • Max video duration: 120 seconds

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Per-platform media limits

Each platform has its own rules for media attachments:

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X (Twitter)

  • Up to 4 images per post, OR
  • 1 GIF per post, OR
  • 1 video per post
You cannot mix media types on X. For example, you can’t attach 2 images and 1 GIF to the same post.

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Per-platform media

When using multi-platform publishing, you can attach different media to each platform. This lets you use platform-appropriate dimensions or formats without creating separate posts.

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API and CLI

You can upload media through the REST API using the POST /media endpoint, or through the MCP server using the upload-media tool. The API supports both direct file uploads and uploading from a URL.
Last modified on February 20, 2026