Kling 4.0

npx -y summer-engine@latest api run video/kling-4 \
  --input '{"prompt":"the treasure chest from the reference slowly opens on a mossy forest floor, warm light spills out","referenceImageUrls":["https://docs.summerengine.com/images/api/chest.png"],"duration":5}' \
  --download .

curl https://www.summerengine.com/v1/jobs \
  -H "Authorization: Bearer $SUMMER_TOKEN" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Prefer: wait=60" \
  -d '{"model":"video/kling-4","input":{"prompt":"the treasure chest from the reference slowly opens on a mossy forest floor, warm light spills out","referenceImageUrls":["https://docs.summerengine.com/images/api/chest.png"],"duration":5}}'

const res = await fetch("https://www.summerengine.com/v1/jobs", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.SUMMER_TOKEN}`,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID(),
    Prefer: "wait=60",
  },
  body: JSON.stringify({
    "model": "video/kling-4",
    "input": {
      "prompt": "the treasure chest from the reference slowly opens on a mossy forest floor, warm light spills out",
      "referenceImageUrls": [
        "https://docs.summerengine.com/images/api/chest.png"
      ],
      "duration": 5
    }
  }),
});
const { job } = await res.json();
console.log(job.state, job.id);

import os, uuid, requests

res = requests.post(
    "https://www.summerengine.com/v1/jobs",
    headers={
        "Authorization": f"Bearer {os.environ['SUMMER_TOKEN']}",
        "Idempotency-Key": str(uuid.uuid4()),
        "Prefer": "wait=60",
    },
    json={"model": "video/kling-4", "input": {"prompt": "the treasure chest from the reference slowly opens on a mossy forest floor, warm light spills out", "referenceImageUrls": ["https://docs.summerengine.com/images/api/chest.png"], "duration": 5}},
)
job = res.json()["job"]
print(job["state"], job["id"])

// Summer's MCP server: npx -y summer-engine@latest setup <agent> --yes
summer_api_run({
  model: "video/kling-4",
  input: {
    prompt: "the treasure chest from the reference slowly opens on a mossy forest floor, warm light spills out",
    referenceImageUrls: ["https://docs.summerengine.com/images/api/chest.png"],
    duration: 5
  },
  out: "assets",
})
// It answers `next` while the job runs: follow it to the end.
summer_api_job({ jobId: "<jobId>", wait: true, out: "assets" })