テキストから動画

Close up shot (composition) of melting icicles (subject) on a frozen rock wall
(context) with cool blue tones (ambiance), zoomed in (camera motion) maintaining
close-up detail of water drips (action).

A barista slides a paper cup across the counter and says "your usual, right?",
warm indoor light, handheld, slight rack focus onto the cup, cafe ambience

A close-up cinematic shot follows a desperate man in a weathered green trench
coat as he dials a rotary phone mounted on a gritty brick wall, bathed in the
eerie glow of a green neon sign. The camera dollies in, revealing the tension
in his jaw and the desperation etched on his face as he struggles to make the
call. The shallow depth of field focuses on his furrowed brow and the black
rotary phone, blurring the background into a sea of neon colors and indistinct
shadows, creating a sense of urgency and isolation.

A satellite floating through outer space with the moon and some stars in the
background.

A cyclist crests a hill at dusk, silhouette against an orange sky, camera
tracking alongside, dust in the air

curl -X POST https://api.api-stock.com/api/v1/generation/create \
  -H "Authorization: Bearer sk-your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo3.1-quality",
    "input": {
      "prompt": "A lighthouse on a basalt cliff at dawn, slow push-in, fog rolling over the water",
      "aspectRatio": "16:9",
      "resolution": "4k"
    }
  }'

{
  "code": 200,
  "data": {
    "taskId": "019ca881-9503-7270-a560-f00fc2b15785",
    "status": "not_started",
    "createdAt": "2026-02-28T11:22:33.000Z"
  }
}

{
  "model": "doubao-seedance-2.0",
  "input": {
    "prompt": "A lighthouse on a basalt cliff at dawn, fog rolling over the water",
    "size": "16:9",
    "resolution": "1080p",
    "duration": 8,
    "generateAudio": true,
    "cameraFixed": false
  }
}

curl https://api.api-stock.com/api/v1/task/status/019ca881-9503-7270-a560-f00fc2b15785 \
  -H "Authorization: Bearer sk-your-key"

{
  "code": 200,
  "data": {
    "taskId": "019ca881-9503-7270-a560-f00fc2b15785",
    "status": "processing",
    "createdTime": "2026-02-28T11:22:33.000Z"
  }
}

{
  "code": 200,
  "data": {
    "taskId": "019ca881-9503-7270-a560-f00fc2b15785",
    "status": "finished",
    "files": [
      {
        "fileUrl": "https://storage.api-stock.com/generated/video-abc123.mp4",
        "fileType": "video"
      }
    ],
    "createdTime": "2026-02-28T11:22:33.000Z"
  }
}

const BASE = "https://api.api-stock.com/api/v1";
const KEY = process.env.API_STOCK_KEY!;

type TaskFile = { fileUrl: string; fileType: "image" | "video" | "music" };
type TaskData = {
  taskId: string;
  status: "not_started" | "processing" | "finished" | "failed";
  files?: TaskFile[];
  output?: Record<string, unknown>;
  createdTime: string;
  errorMessage?: string;
};

async function createVideo(prompt: string): Promise<string> {
  const res = await fetch(`${BASE}/generation/create`, {
    method: "POST",
    headers: {
      Authorization: `Bearer ${KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      model: "veo3.1-quality",
      input: { prompt, aspectRatio: "16:9", resolution: "4k" },
    }),
  });

  const body = await res.json();
  if (!res.ok) {
    // { code, error: { message, type, code } }
    throw new Error(`${body.error.code}: ${body.error.message}`);
  }
  return body.data.taskId; // → "019ca881-9503-7270-a560-f00fc2b15785"
}

async function waitForTask(
  taskId: string,
  { intervalMs = 10_000, timeoutMs = 20 * 60_000 } = {},
): Promise<TaskData> {
  const deadline = Date.now() + timeoutMs;

  while (Date.now() < deadline) {
    const res = await fetch(`${BASE}/task/status/${taskId}`, {
      headers: { Authorization: `Bearer ${KEY}` },
    });
    const body = await res.json().catch(() => null);
    if (!res.ok) {
      const message = body?.error?.message ?? `${res.status} ${res.statusText}`;
      throw new Error(message);
    }
    const data = body.data as TaskData;

    if (data.status === "finished") return data;
    if (data.status === "failed") {
      throw new Error(data.errorMessage ?? "generation failed");
    }

    await new Promise((r) => setTimeout(r, intervalMs));
  }

  // The task is still alive server-side — resume polling later with the id.
  throw new Error(`timed out waiting for ${taskId}`);
}

const taskId = await createVideo(
  "A lighthouse on a basalt cliff at dawn, slow push-in, fog rolling over the water",
);
const task = await waitForTask(taskId);
console.log(task.files?.[0].fileUrl); // → https://storage.api-stock.com/...mp4

{
  "model": "sora2",
  "input": {
    "prompt": "Neon-lit rain on an empty parking garage, handheld",
    "aspectRatio": "9:16",
    "duration": 15
  },
  "webhook": "https://example.com/hooks/api-stock/8f2c1e9a-secret"
}

{
  "code": 400,
  "error": {
    "message": "Input parameters do not match the requirements for model veo3.1-quality",
    "type": "BadRequest",
    "code": "invalid_input"
  }
}

{
  "code": 200,
  "data": {
    "taskId": "019ca881-9503-7270-a560-f00fc2b15785",
    "status": "failed",
    "createdTime": "2026-02-28T11:22:33.000Z",
    "errorMessage": "This generation may violate our content policy. Please try a different prompt."
  }
}