Spicy Seedance 2.5 Video Extend 480p API: AI Video Editing

Spicy Seedance 2.5 Video Extend 480p API Reference

Endpoint

POST https://api.muapi.ai/api/v1/seedance-2.5-spicy-video-extend-480p

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

Name	Type	Required	Description
prompt	string	Yes	Desired cinematic continuation — action, camera movement, lighting, mood.
video_url	string	Yes	URL of the video to extend. Generation continues from its last frame.
last_image	string	No	Optional target frame URL. When set, the continuation interpolates from the input video's final frame toward this image.
duration	int	No	Length of the extension clip in seconds.Default: 5
aspect_ratio	string	No	Aspect ratio of the output video.Options: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9, 9:21Default: "16:9"
generate_audio	boolean	No	Whether to generate synchronized audio for the new segment.Default: true
seed	int	No	Random seed for reproducible generation. Use -1 for random.
high_bitrate	boolean	No	Enable high bitrate mode for better visual fidelity. Produces larger files.Default: false

cURL example

REQUEST_ID=$(curl -s -X POST https://api.muapi.ai/api/v1/seedance-2.5-spicy-video-extend-480p \
  -H "x-api-key: $MUAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"prompt":"<prompt>","video_url":"https://example.com/your-video_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}/seedance-2.5-spicy-video-extend-480p", headers=headers, json={"prompt":"<prompt>","video_url":"https://example.com/your-video_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.

Tutorial

Spicy Seedance 2.5 Video Extend 480p API Reference

Endpoint

Parameters

cURL example

Python example