Upload Media

Upload an image, video, or PDF carousel. Returns an S3 URL to reference when creating posts. Use multipart/form-data with a "file" field. To set the LinkedIn file name for a carousel or title for a video, pass media.filename / media.videoTitle when creating the post — see Publishing with Media.

{
  "success": true,
  "data": {
    "url": "https://s3.amazonaws.com/...",
    "type": "image",
    "size": 245000,
    "mimeType": "image/png"
  }
}