curl --request POST \
  --url https://api.example.com/index/{index_name}/video/{video_id}/transcript \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-API-Key: <api-key>' \
  --form transcript='@example-file'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}