Example

Replace Video in Template

Template video:
add050630b74443fb9541965307b6083

URL: https://app.heygen.com/share/b2aebbb831884983ace89aa4175fa7e7

Variables:

{
    "code": 100,
    "data": {
        "scenes": [
            {
                "variables": [
                    {
                        "name": "video_0",
                        "properties": [
                            {
                                "default": "https://surreal-product.s3.amazonaws.com/prod/movio/preset/video/origin/d9831b49b2ed4f5a8cad812f66bf4cb9.mp4?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAWTIFNQS3KRF4QRED%2F20220928%2Fus-east-2%2Fs3%2Faws4_request&X-Amz-Date=20220928T100921Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=146601581ea23f17288a188c6c1d4428cde665eda057e3a544be1aef30b6ba07",
                                "name": "link"
                            },
                           {
                                "default": "loop",
                                "name": "loop_style"

                            }
                        ],
                        "type": "video"
                    }
                ]
            }
        ],
        "template_id": "b2aebbb831884983ace89aa4175fa7e7",
        "video_id": "b2aebbb831884983ace89aa4175fa7e7"
    },
    "message": "Success"
}

template generate req:(curl)

curl --location --request POST 'https://api.heygen.com/v1/template.generate' \
--header 'x-api-key: O/rgPJbuWtusgyBOfYBHytyIuL2DeGowXB7rTBwLpxY=' \
--header 'Content-Type: application/json' \
--data-raw '{
    "template_id": "b2aebbb831884983ace89aa4175fa7e7",
    "title": "test sub video",
    "test":true,
    "variables": [
         {
               "properties": {
                    "link": "https://surreal-public.s3.us-east-2.amazonaws.com/demo_video/0.mp4",
                    "loop_style": "fit"
               },
               "name": "video_0"
          }
    ]
}'

Result:
video_id : 73a28feb3c19466f87e2bf4a6f5d0009

URL:
https://app.heygen.com/share/73a28feb3c19466f87e2bf4a6f5d0009