Kling V2.6 Image to Video API

# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/kwaivgi/kling-v2.6/image-to-video" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "image": [
      "https://assets-public.namifusion.com/uploads/images/2026-05-13/d9b25e55e48d.png"
    ],
    "prompt": "A cinematic video of a serene mountain lake at sunrise with soft golden light, gentle water ripples, and a tranquil atmosphere.",
    "negative_prompt": "Avoid low resolution, harsh lighting, or overly dark scenes.",
    "end_image": [
      "https://assets-public.namifusion.com/uploads/images/2026-05-13/93acbbe3763a.png"
    ],
    "resolution": "1080P",
    "duration": 10,
    "sound": true,
    "cfg_scale": 0.7,
    "shot_type": "intelligence"
  }
}'

# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
  -H "Authorization: Bearer YOUR_API_KEY"

import time, requests

API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}

# 1) Submit
resp = requests.post(
    "https://www.namifusion.com/api/v1/marketplace/run/kwaivgi/kling-v2.6/image-to-video",
    headers=HEADERS,
    json={
        "input": {
            "image": [
                "https://assets-public.namifusion.com/uploads/images/2026-05-13/d9b25e55e48d.png"
            ],
            "prompt": "A cinematic video of a serene mountain lake at sunrise with soft golden light, gentle water ripples, and a tranquil atmosphere.",
            "negative_prompt": "Avoid low resolution, harsh lighting, or overly dark scenes.",
            "end_image": [
                "https://assets-public.namifusion.com/uploads/images/2026-05-13/93acbbe3763a.png"
            ],
            "resolution": "1080P",
            "duration": 10,
            "sound": True,
            "cfg_scale": 0.7,
            "shot_type": "intelligence"
        }
    },
)
resp.raise_for_status()  # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()

# 2) Poll until a terminal state (completed / failed / cancelled).
#    This model is allowed up to 300s server-side.
deadline = time.time() + 360
while task.get("status") not in ("completed", "failed", "cancelled"):
    if time.time() > deadline:
        raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
    time.sleep(3)
    poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
    poll.raise_for_status()
    task = poll.json()

print(task["status"], task.get("output"))

const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };

// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/kwaivgi/kling-v2.6/image-to-video", {
  method: "POST",
  headers: { ...HEADERS, "Content-Type": "application/json" },
  body: JSON.stringify({
    "input": {
      "image": [
        "https://assets-public.namifusion.com/uploads/images/2026-05-13/d9b25e55e48d.png"
      ],
      "prompt": "A cinematic video of a serene mountain lake at sunrise with soft golden light, gentle water ripples, and a tranquil atmosphere.",
      "negative_prompt": "Avoid low resolution, harsh lighting, or overly dark scenes.",
      "end_image": [
        "https://assets-public.namifusion.com/uploads/images/2026-05-13/93acbbe3763a.png"
      ],
      "resolution": "1080P",
      "duration": 10,
      "sound": true,
      "cfg_scale": 0.7,
      "shot_type": "intelligence"
    }
  }),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();

// 2) Poll until a terminal state (completed / failed / cancelled).
//    This model is allowed up to 300s server-side.
const deadline = Date.now() + 360 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
  if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
  await new Promise((r) => setTimeout(r, 3000));
  const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
  if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
  task = await poll.json();
}

console.log(task.status, task.output);