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POST
/
lip-sync
/
async
curl --request POST \
  --url https://api.modellix.ai/api/v1/vidu/lip-sync/async \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "video_url": "https://example.com/presenter-video.mp4"
}
'
{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-vidu-lsync-001",
    "model_id": "vidu/lip-sync",
    "get_result": {
      "method": "GET",
      "url": "https://api.modellix.ai/api/v1/tasks/task-vidu-lsync-001"
    }
  }
}

Authorizations

​
Authorization
string
header
required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json

Vidu lip sync request. Synchronizes lip movements in the source video to match the provided audio track.

​
video_url
string
required

Source video URL containing the face to reanimate.

Minimum string length: 1
Example:

"https://example.com/talking-head.mp4"

​
audio_url
string

Replacement audio track URL. The model will reanimate the speaker's lips to match this audio.

Minimum string length: 1
Example:

"https://example.com/new-voiceover.mp3"

​
reference_face_image_url
string

Reference face image URL. When provided, the model uses this face to preserve identity consistency throughout the video.

Minimum string length: 1
Example:

"https://example.com/face-reference.jpg"

Response

Task submitted successfully

​
code
integer
required

Response code, 0 indicates success

Example:

0

​
message
string
required

Response message

Example:

"success"

​
data
object
required

Detailed data about the submitted asynchronous task.