Kling 4.0 Video Editing API

import requests, time

headers = {"Authorization": "Bearer " + AIMLAPI_KEY}
job = requests.post(
    "https://api.aimlapi.com/v2/video/generations",
    headers=headers,
    json={
      "model": "klingai/video-v4-video-to-video-edit",
      "prompt": "Change the background of @Video1 to a snowy forest",
      "video_url": "https://example.com/input.mp4",
      "resolution": "1080p"
    },
).json()
gid = job["id"]

while True:
    res = requests.get(f"https://api.aimlapi.com/v2/video/generations?generation_id={gid}", headers=headers).json()
    if res.get("status") in ("completed", "error"):
        break
    time.sleep(15)
print(res["video"]["url"])

const headers = {
  Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
  "Content-Type": "application/json",
};
const job = await (await fetch("https://api.aimlapi.com/v2/video/generations", {
  method: "POST",
  headers,
  body: JSON.stringify({
    "model": "klingai/video-v4-video-to-video-edit",
    "prompt": "Change the background of @Video1 to a snowy forest",
    "video_url": "https://example.com/input.mp4",
    "resolution": "1080p"
  }),
})).json();

let res;
do {
  await new Promise((r) => setTimeout(r, 15000));
  res = await (await fetch(`https://api.aimlapi.com/v2/video/generations?generation_id=${job.id}`, { headers })).json();
} while (!["completed", "error"].includes(res.status));
console.log(res.video.url);

# submit the generation — the response contains the job "id"
curl -X POST https://api.aimlapi.com/v2/video/generations \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "klingai/video-v4-video-to-video-edit", "prompt": "Change the background of @Video1 to a snowy forest", "video_url": "https://example.com/input.mp4", "resolution": "1080p"}'

# then poll until status is "completed" — video.url holds the result
curl "https://api.aimlapi.com/v2/video/generations?generation_id={id}" -H "Authorization: Bearer $AIMLAPI_KEY"