lip-sync

POST

https://api.key4u.shop/kling/v1/videos/lip-sync

Generate video

This API requires a video ID or video URL
When using a video ID, it must be used on the parent task account. Please proceed as soon as possible to avoid resource package expiration.
Official documentation: https://app.klingai.com/cn/dev/document-api/apiReference/model/videoTolip

The system provides multiple voice options to choose from. For specific voice effects, voice ID, and voice language correspondence relationships, click here to view

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Header Params

Body Params application/json

Example

{
    "input":{
        "video_id":"827964097668337738",//ID of the video generated by Kling AI
        // "video_url": "https://xxxxxxx.mp4", //The retrieval link for the uploaded video; fill in either this or the input·video_id parameter, not both empty and not both present at the same time
        "mode":"text2video",
        "text":"The weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great today",
        "voice_id":"girlfriend_1_speech02",
        "voice_language":"zh"
    }
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location 'https://api.key4u.shop/kling/v1/videos/lip-sync' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
    "input":{
        "video_id":"827964097668337738",//ID of the video generated by Kling AI
        // "video_url": "https://xxxxxxx.mp4", //The retrieval link for the uploaded video; fill in either this or the input·video_id parameter, not both empty and not both present at the same time
        "mode":"text2video",
        "text":"The weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great todayThe weather is great today",
        "voice_id":"girlfriend_1_speech02",
        "voice_language":"zh"
    }
}'

Responses

🟢200Success

application/json

Bodyapplication/json

Example

{
    "code": 0,
    "message": "SUCCEED",
    "request_id": "38905f60-e76c-4f77-adb3-867a5b67d41e",
    "data": {
        "task_id": "817067112967086149",
        "task_status": "submitted",
        "created_at": 1762832498885,
        "updated_at": 1762832498885
    }
}

Modified at 2026-06-01 02:49:49

Virtual Try-On

Video Extension