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Kling LipSync Audio-to-Video

Integrate

Model id kling-video/lipsync/audio-to-video
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.ru/v1/run/kling-video/lipsync/audio-to-video?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "audio": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.ru/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Files like the example: $0.14 140 API credits · ≈ ₽15.02 your files are measured before the run Run it on this page

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Kling Lipsync & Avatars Lipsync #audio-to-video

Re-syncs the mouth movements in an existing video to an uploaded audio track

Made on Doitong

Public works made with Kling LipSync by the Doitong community. Reuse a prompt in one click.

Public works shown: 16
Video

You didn't fail because you're weak. You failed because you QUIT the second it got uncomfortable. Comfort is the enemy. Comfort is the drug that's keeping you average. Nobody's coming to save you. YOU are the rescue mission. Tomorrow morning, five A M. Do the thing you've been avoiding. That's...

Video

Как остановить тревогу за 60 секунд. Когда она накатывает, начните с дыхания: медленно вдохните через нос на четыре счёта, задержите на четыре и мягко выдохните через рот на шесть. Повторите три раза — это сразу успокаивает нервную систему. Затем посмотрите вокруг и вслух назовите три вещи,...

Video

You didn't fail because you're weak. You failed because you QUIT the second it got uncomfortable. Comfort is the enemy. Comfort is the drug that's keeping you average. Nobody's coming to save you. YOU are the rescue mission. Tomorrow morning, five A M. Do the thing you've been avoiding. That's...

Video

Дорогой друг, если тревога внезапно накрыла, остановите её за шестьдесят секунд тремя простыми шагами. Сначала медленно вдохните носом на четыре секунды, задержите дыхание ещё на четыре и плавно выдохните ртом на шесть. Это сразу снижает активность симпатической нервной системы и даёт телу сигнал...

Video

You didn't fail because you're weak. You failed because you QUIT the second it got uncomfortable. Comfort is the enemy. Comfort is the drug that's keeping you average. Nobody's coming to save you. YOU are the rescue mission. Tomorrow morning, five A M. Do the thing you've been avoiding. That's...

Video

You didn't fail because you're weak. You failed because you QUIT the second it got uncomfortable. Comfort is the enemy. Comfort is the drug that's keeping you average. Nobody's coming to save you. YOU are the rescue mission. Tomorrow morning, five A M. Do the thing you've been avoiding. That's...

Video

You didn't fail because you're weak. You failed because you QUIT the second it got uncomfortable. Comfort is the enemy. Comfort is the drug that's keeping you average. Nobody's coming to save you. YOU are the rescue mission. Tomorrow morning, five A M. Do the thing you've been avoiding. That's...

Video

Как перестать всё контролировать? Я знаю, как тяжело постоянно держать всё в руках. Вот три простых шага, которые реально помогают. Сначала заметьте, когда внутри возникает напряжение, и сделайте три медленных выдоха длиннее вдохов. Это сразу включает спокойную часть нервной системы. Второй шаг:...

Build a request

Controls are generated from the model schema. The code and the price update as you change them.

•required video_url
Drop a file, or

Video URL for lip-sync generation. Accepts .mp4 or .mov files up to 100MB, lasting 2–10s, at 720p or 1080p only; both dimensions must fall within 720–1920px.

•required audio_url
Drop a file, or

URL pointing to the audio used for lip sync. The audio must last between 2 seconds and 60 seconds, with a file size no greater than 5 MB.

Advanced enable_safety_checker
POST /run/kling-video/lipsync/audio-to-video?wait=20 quote → $0.14
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.ru/v1/run/kling-video/lipsync/audio-to-video?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "audio": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.ru/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Run this request

Your key stays in this browser: it is sent only to the Doitong API and saved (localStorage) only if you tick Remember. Get an API key

About Kling LipSync Audio-to-Video

Takes a source video and an audio file and generates lip movements matching the audio. The video must be .mp4 or .mov, up to 100MB, 2 to 10 seconds long, at 720p or 1080p. The audio must run 2 to 60 seconds and stay under 5MB. Both inputs are passed as URLs: `video_url` and `audio_url`.

Parameters

Send either the canonical name or the native name, not both. Canonical names

NameType DefaultAllowed Description
enable_safety_checkeroptional
Typeboolean
Defaulttrue
Safety checks can be disabled only with account authorization; requests without authorization always undergo checking.
video_urlrequired video
Typeurl · video
Video URL for lip-sync generation. Accepts .mp4 or .mov files up to 100MB, lasting 2–10s, at 720p or 1080p only; both dimensions must fall within 720–1920px.
audio_urlrequired audio
Typeurl · audio
URL pointing to the audio used for lip sync. The audio must last between 2 seconds and 60 seconds, with a file size no greater than 5 MB.
required Canonical name, also accepted

File parameters take a public https:// URL, a data: URI up to 10 MB, or the file_url of an upload. Files

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "kling-video/lipsync/audio-to-video",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 140,
    "usd": "0.14",
    "charged": 140,
    "refunded": 0
  },
  "input": {
    "video_url": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "audio_url": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3"
  },
  "output": {
    "video": {
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_name": "0-output.mp4",
      "file_size": 1843200
    }
  },
  "outputs": [
    {
      "type": "video",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_size": 1843200,
      "width": 1280,
      "height": 720,
      "duration": 5,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://api.doitong.ru/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.ru/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
Your files, your choiceEvery outputs[].url is a copy on our storage: kept forever (paid per GB-month) or 7 days for free, by your account setting or ?storage=.
Same shape on every modeltype, url, content_type, width, height and duration, for images, video and audio alike. output is the model’s own result object.
Fields of output
video
object {url, content_type, file_name, file_size}Video produced by the model.

More models: Lipsync & Avatars

For AI agents: this page as Markdown is at https://doitong.com/en-US/developers/models/kling-video/lipsync/audio-to-video.md. All models and guides: https://doitong.com/developers/llms.txt