Summary
Summary
Figures below are from the LinkedIn Videos API on Microsoft Learn. Checked 2026-10-29.
| Limit | Figure |
|---|---|
| Length | 3 seconds to 30 minutes |
| File size | 75 KB to 500 MB |
| Format | MP4 |
| initializeUpload fileSizeBytes | Max 5 GB |
| Caption file | One caption file per video, English only |
| Upload parts | Parts of about 4 MB |
| Upload URL life | Upload URLs typically expire 30 days after init |
File
Length, size, format
Length is 3 seconds to 30 minutes. File size is 75 KB to 500 MB. Format is MP4. initializeUpload fileSizeBytes max is 5 GB.
Captions
Captions and thumbnails
One caption file per video, English only. Thumbnail limits are not stated on the Videos API page, so they are left off.
Upload
Multipart upload
Uploads use parts of about 4 MB. Upload URLs typically expire 30 days after init.