Kling 1 Avatar Standard API: AI Lipsync

Sync lips to audio with Kling 1 Avatar Standard via the Muapi REST API. Pay per generation — no subscription needed.

Kling 1 Avatar Standard API Reference

Endpoint

POST https://api.muapi.ai/api/v1/kling-v1-avatar-standard

Submit a job with your MuApi API key in the x-api-key header, then poll https://api.muapi.ai/api/v1/predictions/{request_id}/result until status is completed.

Parameters

NameTypeRequiredDescription
promptstringNoThe prompt to generate the video
image_urlstringYesURL of the input image.
audio_urlstringYesThe URL for uploading audio files.

cURL example

REQUEST_ID=$(curl -s -X POST https://api.muapi.ai/api/v1/kling-v1-avatar-standard \
  -H "x-api-key: $MUAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"image_url":"https://example.com/your-image_url","audio_url":"https://example.com/your-audio_url"}' | jq -r .request_id)

curl -s https://api.muapi.ai/api/v1/predictions/$REQUEST_ID/result -H "x-api-key: $MUAPI_API_KEY"

Python example

import os, time, requests

API = "https://api.muapi.ai/api/v1"
headers = {"x-api-key": os.environ["MUAPI_API_KEY"]}

r = requests.post(f"{API}/kling-v1-avatar-standard", headers=headers, json={"image_url":"https://example.com/your-image_url","audio_url":"https://example.com/your-audio_url"})
request_id = r.json()["request_id"]

while True:
    res = requests.get(f"{API}/predictions/{request_id}/result", headers=headers).json()
    if res["status"] == "completed":
        print(res["outputs"]); break
    if res["status"] == "failed":
        raise RuntimeError(res.get("error"))
    time.sleep(3)

Full docs and agent/MCP integration: llms.txt. Get an API key at muapi.ai/access-keys.