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TikTok Custom Cover Image URL

Feature Request

Title: TikTok: Custom Cover Image URL (not just frame selection)

Body:

Right now TikTok only lets you pick a frame from the video via video_cover_timestamp_ms. Would be really helpful to also support a custom cover image URL—like how YouTube thumbnails work.

Why this would help:

  • I spend time making good thumbnails for YouTube—let me use them on TikTok too

  • Custom covers perform way better than auto-selected frames

  • Keeps my branding consistent everywhere

Suggested API Parameter:

json

{  "tiktokSettings": {  "cover_url": "https://example.com/thumbnail.jpg",  "video_cover_timestamp_ms": 3000 // fallback if cover_url isn't supported  } }

Totally understand if TikTok's API doesn't support this—if that's the case, maybe just note it as a platform limitation in the docs. But if it does, this would be huge!

Posted by Phillip Shepard ·
Status: Completed1 comment

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Comments1

  • Miquel Palet López

    Team•

    Jul 13

    Good news, this is already supported!

    When creating a TikTok video post, pass platformSpecificData.videoCoverImageUrl with a public image URL (JPG, PNG or WebP, max 20MB). Since TikTok's API has no direct cover upload, we prepend your image as a short still frame at the start of the video and set that as the cover, so your custom image shows instead of a random frame. It takes priority over videoCoverTimestampMs when both are set.

    You can find the full field reference at docs.zernio.com. Thanks for the request!