Create a new card
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
ID of the video
"abcde12345abcde12345a"
A short label for the card
100The time-code the card should appear at, as HH:MM:SS
8The time-code the card should hide at, as HH:MM:SS
8Can the user skip/hide it?
The main text shown on the card
100The lower text shown on the card
100The URL viewers will be taken to if they click the card
100