Vidu Q4 Image to Video API

import os, time, requests

API = "https://cheapergen.com/api/v1"
headers = {"Authorization": f"Bearer {os.environ['CHEAPERGEN_API_KEY']}"}

# 1. Submit the job
job = requests.post(f"{API}/run/shengshu/vidu-q4/image-to-video", headers=headers, json={
    "prompt": "She looks up from the book and smiles as snow begins to fall outside the window",
    "image_url": "https://cdn.cheapergen.ai/samples/portrait.jpg",
    "resolution": "1080p",
    "duration": 5
}).json()

# 2. Poll until it finishes (or pass "webhook_url" and skip polling)
while job["status"] in ("queued", "running"):
    time.sleep(3)
    job = requests.get(f"{API}/generations/{job['id']}", headers=headers).json()

print(job["status"], job["output"]["video"]["url"] if job["status"] == "succeeded" else job["error"])

const API = "https://cheapergen.com/api/v1";
const headers = {
  Authorization: `Bearer ${process.env.CHEAPERGEN_API_KEY}`,
  "Content-Type": "application/json",
};

// 1. Submit the job
let job = await fetch(`${API}/run/shengshu/vidu-q4/image-to-video`, {
  method: "POST",
  headers,
  body: JSON.stringify({
    "prompt": "She looks up from the book and smiles as snow begins to fall outside the window",
    "image_url": "https://cdn.cheapergen.ai/samples/portrait.jpg",
    "resolution": "1080p",
    "duration": 5
  }),
}).then((r) => r.json());

// 2. Poll until it finishes (or pass webhook_url and skip polling)
while (job.status === "queued" || job.status === "running") {
  await new Promise((r) => setTimeout(r, 3000));
  job = await fetch(`${API}/generations/${job.id}`, { headers }).then((r) => r.json());
}

console.log(job.status === "succeeded" ? job.output.video.url : job.error);

{
  "id": "gen_8c2QmX1nq0k4",
  "object": "generation",
  "model": "shengshu/vidu-q4",
  "endpoint": "shengshu/vidu-q4/image-to-video",
  "mode": "image-to-video",
  "status": "succeeded",
  "input": {
    "prompt": "She looks up from the book and smiles as snow begins to fall outside the window",
    "image_url": "https://cdn.cheapergen.ai/samples/portrait.jpg",
    "resolution": "1080p",
    "duration": 5
  },
  "output": {
    "video": {
      "url": "https://cdn.cheapergen.ai/outputs/gen_8c2Q.mp4",
      "content_type": "video/mp4",
      "duration": 5,
      "width": 1280,
      "height": 720
    }
  },
  "error": null,
  "cost": {
    "amount_usd": 0.2255,
    "currency": "usd",
    "estimated": false,
    "official_usd": 0.264,
    "saved_usd": 0.0385
  },
  "source": "api",
  "created_at": "2026-10-15T09:21:04Z",
  "started_at": "2026-10-15T09:21:06Z",
  "completed_at": "2026-10-15T09:22:31Z"
}