Use this URL to get video details in JSON http://vimeo.com/api/v2/video/VIDEO_ID.json
(Also available is XML: http://vimeo.com/api/v2/video/VIDEO_ID.xml
)
Example: http://vimeo.com/api/v2/video/6271487.json
Then, check the values thumbnail_small
, thumbnail_medium
and thumbnail_large
.
Update: To get the thumbnail for private video:
Download Viemo PHP library. Then use this code:
$video_id = 'VIDEO_ID';
$key = 'YOUR_CONSUMER_KEY';
$secret = 'YOUR_CONSUMER_SECRET';
require_once('vimeo.php');
$vimeo = new phpVimeo($key, $secret);
$video = $vimeo->call('vimeo.videos.getInfo', array('video_id' => $video_id));
$img_small = $video->video[0]->thumbnails->thumbnail[0]->_content;
$img_medium = $video->video[0]->thumbnails->thumbnail[1]->_content;
$img_large = $video->video[0]->thumbnails->thumbnail[2]->_content;