POST /videos/$guid/tracks

Upload a subtitle/caption track for a specified VideoPress video.

Resource Information

Method POST
Requires authentication? No

Method Parameters

Parameter Type Description
$guid (string) The guid of the video

Query Parameters

Parameter Type Description
context (string)
(default) Formats the output as HTML for display. Shortcodes are parsed, paragraph tags are added, etc..
Formats the output for editing. Shortcodes are left unparsed, significant whitespace is kept, etc..
http_envelope (bool)
Some environments (like in-browser JavaScript or Flash) block or divert responses with a non-200 HTTP status code. Setting this parameter will force the HTTP status code to always be 200. The JSON response is wrapped in an "envelope" containing the "real" HTTP status code and headers.
pretty (bool)
Output pretty JSON
meta (string) Optional. Loads data from the endpoints found in the 'meta' part of the response. Comma-separated list. Example: meta=site,likes
fields (string) Optional. Returns specified fields only. Comma-separated list. Example: fields=ID,title
callback (string) An optional JSONP callback function.

Request Parameters

Parameter Type Description
kind (string) One of 'subtitles', 'captions', 'descriptions', 'chapters', or 'metadata'.
label (string) The track label.
srclang (string) The language of the track.
vtt (media) A .vtt track file to attach to the video.

Response Parameters

Parameter Type Description
url (string) The url for the newly uploaded track

Resource Errors

These are the possible errors returned by this endpoint.

HTTP Code Error Identifier Error Message
400 incomplete_request The vtt file is too large.
400 incomplete_request Language code cannot be longer than 5 characters.
400 incomplete_request vtt file is invalid format.
400 incomplete_request label cannot be longer than 100 characters.
400 error_saving The track file could not be saved.
404 unknown_media The specified video was not found.
403 unauthorized User cannot access this private blog.
403 unauthorized User cannot access this restricted blog
403 unauthorized User cannot upload media.


curl ''
$options  = array (
  'http' => 
  array (
    'ignore_errors' => true,
    'method' => 'POST',

$context  = stream_context_create( $options );
$response = file_get_contents(
$response = json_decode( $response );