Documentation API HappyHorse

curl -X POST 'https://happyhorse.app/api/generate' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "happyhorse-1.0/video",
    "prompt": "A cinematic shot of mountains at sunrise",
    "mode": "pro",
    "duration": 5,
    "aspect_ratio": "16:9"
  }'

Authorization: Bearer YOUR_API_KEY

const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

async function waitForHappyHorseVideo(taskId) {
  const deadline = Date.now() + 15 * 60 * 1000;
  let delayMs = 8000;

  while (Date.now() < deadline) {
    const res = await fetch(
      `${BASE_URL}/api/status?task_id=${encodeURIComponent(taskId)}`,
      { headers: { Authorization: `Bearer ${API_KEY}` } }
    );

    if (res.status === 429) {
      await sleep(Math.min(delayMs * 2, 30000));
      continue;
    }

    const payload = await res.json();
    if (!res.ok) {
      throw new Error(payload.message || `Status request failed: ${res.status}`);
    }

    const task = payload.data;
    if (task.status === "SUCCESS") {
      return task.response?.resultUrls?.[0];
    }
    if (task.status === "FAILED") {
      throw new Error(task.error_message || "Generation failed");
    }

    await sleep(delayMs);
    delayMs = Math.min(delayMs + 2000, 20000);
  }

  throw new Error("Timed out. Keep the task_id and check again later.");
}