Live Demo | Seedance2 API - AI Video Generation

const API_KEY = "YOUR_API_KEY"; // ← paste your API key here
const BASE_URL = "https://kinovi.ai/api/v1";

const headers = {
  Authorization: `Bearer ${API_KEY}`,
  "Content-Type": "application/json",
};

async function main() {
  // 1. Create task
  console.log("Creating task...");
  const createResp = await fetch(`${BASE_URL}/jobs/createTask`, {
    method: "POST",
    headers,
    body: JSON.stringify({
      model: "seedance-20",
      inputs: {
        prompt: "A golden retriever running on a beach at sunset, waves crashing in the background, cinematic slow motion",
        duration: "5",
        aspectRatio: "16:9",
      },
    }),
  });

  const createData = await createResp.json();
  if (!createResp.ok) {
    console.error(`Error: ${createData.message}`);
    if (createResp.status === 402) {
      console.error(`  Need ${createData.required} credits, you have ${createData.available}`);
    }
    process.exit(1);
  }

  const { taskId } = createData;
  console.log(`Task created: ${taskId}`);

  // 2. Poll for completion
  process.stdout.write("Generating video");
  const start = Date.now();

  while (Date.now() - start < 300000) {
    const pollResp = await fetch(`${BASE_URL}/jobs/recordInfo?taskId=${taskId}`, { headers });
    const data = await pollResp.json();

    if (data.status === "success") {
      const elapsed = Math.round((Date.now() - start) / 1000);
      console.log(`\n\nDone in ${elapsed}s!`);
      console.log(`Video URL: ${data.output[0].url}`);
      console.log(`Resolution: ${data.output[0].width}x${data.output[0].height}`);
      process.exit(0);
    }

    if (data.status === "fail") {
      console.log(`\n\nFailed: ${data.error?.message}`);
      process.exit(1);
    }

    process.stdout.write(".");
    await new Promise((r) => setTimeout(r, 5000));
  }

  console.log("\n\nTimeout after 300s. Task may still be processing.");
  console.log(`Check manually: GET ${BASE_URL}/jobs/recordInfo?taskId=${taskId}`);
}

main();

# Set your API key
export SEEDANCE_API_KEY="YOUR_API_KEY"

# 1. Create task
echo "Creating task..."
RESPONSE=$(curl -s -X POST "https://kinovi.ai/api/v1/jobs/createTask" \
  -H "Authorization: Bearer $SEEDANCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance-20",
    "inputs": {
      "prompt": "A golden retriever running on a beach at sunset, waves crashing in the background, cinematic slow motion",
      "duration": "5",
      "aspectRatio": "16:9"
    }
  }')

echo "$RESPONSE" | python3 -m json.tool

# 2. Extract taskId and poll
TASK_ID=$(echo "$RESPONSE" | python3 -c "import sys,json; print(json.load(sys.stdin)['taskId'])")
echo "Polling task: $TASK_ID"

while true; do
  RESULT=$(curl -s "https://kinovi.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
    -H "Authorization: Bearer $SEEDANCE_API_KEY")
  STATUS=$(echo "$RESULT" | python3 -c "import sys,json; print(json.load(sys.stdin)['status'])")

  if [ "$STATUS" = "success" ]; then
    echo "Done!"
    echo "$RESULT" | python3 -m json.tool
    break
  elif [ "$STATUS" = "fail" ]; then
    echo "Failed!"
    echo "$RESULT" | python3 -m json.tool
    break
  fi

  echo "Status: $STATUS ... waiting 5s"
  sleep 5
done