Example

Replace Text In Template

Template video:
add050630b74443fb9541965307b6083

Variables:

{
  "code": 100,
  "data": {
    "scenes": [
      {
        "variables": [
          {
            "name": "text_0",
            "properties": [
              {
                "default": "New Title",
                "name": "text"
              }
            ],
            "type": "text"
          }
        ]
      }
    ],
    "template_id": "add050630b74443fb9541965307b6083",
    "video_id": "add050630b74443fb9541965307b6083"
  },
  "message": "Success"
}

template generate req:(curl)

curl --request POST \
     --url https://api.heygen.com/v1/template.generate \
     --header 'Accept: application/json' \
     --header 'Content-Type: application/json' \
     --header 'x-api-key: O/rgPJbuWtusgyBOfYBHytyIuL2DeGowXB7rTBwLpxY="' \
     --data '
{
     "template_id": "add050630b74443fb9541965307b6083",
     "title": "video_title",
     "variables": [
          {
               "properties": {
                    "text": "welcome to HeyGen"
               },
               "name": "text_0"
          }
     ],
     "test": false
}
'

Result

https://heygen.com/share/98514eff16c64562aaa96638e4418183