Working with Closed Captions

You can add closed captions to videos, ads, remote assets, or YouTube videos.

Note: For more information about Backlot REST API commands, see the Backlot API Reference.

Supported Formats for Uploading via the Backlot API

Extension Description
.TTML (formerly DXFP) TTML (Timed Text Markup Language file. Generally, a closed caption file will have a .dfxp (Distribution Format Exchange Profile) extension. For details, see Supported Closed Caption DFXP (now TTML) Format.

Upload Closed Captions


Get Closed Captions


Delete Closed Captions



This example adds closed captions to the IzNnllMjphu2XF3_UgPROoCi9B2rtWs asset:


Backlot returns a 200 response.

Note: Try out the code samples using your account credentials in the Ooyala Scratchpad. To launch the Scratchpad, go to Ooyala API Scratchpad. For information about using the Scratchpad, see Practice Making Requests with the Scratchpad.