Upload subtitle track
documentedUpload a subtitle track for a VideoPress video.
POST /videos/{guid}/tracksVideosno implementation yet0 runsInput
guid*
Video GUID
Video GUID
kind*
Track kind
subtitles|captions|descriptions|chapters|metadata
label
Track label
Track label
srclang
Track language (ISO 639-1)
en
vtt_data*
VTT track data
WEBVTT data
Calls WordPress.com as you (your API key is your account); keychains.dev holds the credentials.