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POST
Add Caption

Authorizations

AccessKey
string
header
required

AccessKey based authentication

Path Parameters

libraryId
integer<int64>
required
videoId
string
required
srclang
string
required

Body

application/json
srclang
string | null

The unique srclang shortcode for the caption

label
string | null

The text description label for the caption

captionsFile
string | null

Base64 encoded captions file

Response

The caption was successfully uploaded

success
boolean

Determines if the request was successful

message
string | null

Response message description

statusCode
integer<int32>

The response status code

data
object | null
Last modified on June 26, 2026