black-forest-labs/flux-3/image-to-video-draft 图片转视频草稿

black-forest-labs/flux-3/image-to-video-draft

FLUX 3 Image-to-Video Draft 可将指定参考图片快速制作成视频草稿,支持通过提示词引导运动、可选同步音频,以及 5-20 秒灵活时长,便于快速进行视觉迭代。

示例

black-forest-labs/flux-3/image-to-video-draft 图片转视频草稿 示例 1

参数

名称类型默认约束说明
prompt *提示词textarea—≤ 5000 chars描述你想生成的视频内容的文本提示词。
image *图片image_upload—image/* · 1–1 items视频起始图片的 URL(PNG、JPEG 或 WebP)。
aspect_ratio宽高比select—21:9 | 2:1 | 16:9 | 4:3 | 1:1 | 3:4 | 9:16生成内容的宽高比。
duration时长slider55 ~ 20 · step 1视频时长(秒),范围为 5-20。
generate_audio生成音频booleantrue—是否为视频生成音频。

输出字段

字段类型说明
videosarray<string>

API

通过统一 REST API 调用本模型;在 API Keys 页获取密钥。

cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/image-to-video-draft" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "prompt": "A cinematic slow push-in on the reference image as the subject gently comes to life, soft natural lighting shifting across the scene, subtle camera parallax, realistic motion in hair and clothing, background elements moving with a light breeze, highly detailed, smooth motion, polished draft animation",
    "image": [
      "https://d1s3annbwribom.cloudfront.net/marketplace/examples/2026/10/08/2b347da8119a.jpeg"
    ],
    "aspect_ratio": "16:9",
    "duration": 5,
    "generate_audio": true
  }
}'

# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
  -H "Authorization: Bearer YOUR_API_KEY"
Python
import time, requests

API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}

# 1) Submit
resp = requests.post(
    "https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/image-to-video-draft",
    headers=HEADERS,
    json={
        "input": {
            "prompt": "A cinematic slow push-in on the reference image as the subject gently comes to life, soft natural lighting shifting across the scene, subtle camera parallax, realistic motion in hair and clothing, background elements moving with a light breeze, highly detailed, smooth motion, polished draft animation",
            "image": [
                "https://d1s3annbwribom.cloudfront.net/marketplace/examples/2026/10/08/2b347da8119a.jpeg"
            ],
            "aspect_ratio": "16:9",
            "duration": 5,
            "generate_audio": True
        }
    },
)
resp.raise_for_status()  # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()

# 2) Poll until a terminal state (completed / failed / cancelled).
#    This model is allowed up to 1800s server-side.
deadline = time.time() + 1860
while task.get("status") not in ("completed", "failed", "cancelled"):
    if time.time() > deadline:
        raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
    time.sleep(3)
    poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
    poll.raise_for_status()
    task = poll.json()

print(task["status"], task.get("output"))
JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };

// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/image-to-video-draft", {
  method: "POST",
  headers: { ...HEADERS, "Content-Type": "application/json" },
  body: JSON.stringify({
    "input": {
      "prompt": "A cinematic slow push-in on the reference image as the subject gently comes to life, soft natural lighting shifting across the scene, subtle camera parallax, realistic motion in hair and clothing, background elements moving with a light breeze, highly detailed, smooth motion, polished draft animation",
      "image": [
        "https://d1s3annbwribom.cloudfront.net/marketplace/examples/2026/10/08/2b347da8119a.jpeg"
      ],
      "aspect_ratio": "16:9",
      "duration": 5,
      "generate_audio": true
    }
  }),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();

// 2) Poll until a terminal state (completed / failed / cancelled).
//    This model is allowed up to 1800s server-side.
const deadline = Date.now() + 1860 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
  if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
  await new Promise((r) => setTimeout(r, 3000));
  const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
  if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
  task = await poll.json();
}

console.log(task.status, task.output);

文档

black-forest-labs/flux-3/image-to-video-draft 图片转视频草稿

black-forest-labs/flux-3/image-to-video-draft

FLUX 3 Image-to-Video Draft 可将指定参考图片快速制作成视频草稿,支持通过提示词引导运动、可选同步音频,以及 5-20 秒灵活时长,便于快速进行视觉迭代。

参数

参数类型必填默认值范围/说明
promptstring是—max 5000 chars; 描述你想生成的视频内容的文本提示词。
imagearray是—1–1 URLs; 视频起始图片的 URL(PNG、JPEG 或 WebP)。
aspect_ratiostring否—21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16; 生成内容的宽高比。
durationinteger否55–20; step 1; 视频时长(秒),范围为 5-20。
generate_audioboolean否true是否为视频生成音频。

Nami 图片参数使用 URL 数组,包括单图字段;多图编辑支持 1~3 张图片。

价格

ModeUSD / secondCredits / secondUSD / 5 seconds
Draft$0.066$0.3

费用=单价 × min(ceil(duration), 20)。duration 为 5~20 的整数秒,默认 5 秒。generate_audio 不改变价格。

与 WaveSpeed 官方标准标价一致;1 美元 = 100 积分。账户折扣另行计算。

API

curl -X POST https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/image-to-video-draft \
  -H "Authorization: Bearer $API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "input": {
    "prompt": "A cinematic slow push-in on the reference image as the subject gently comes to life, soft natural lighting shifting across the scene, subtle camera parallax, realistic motion in hair and clothing, background elements moving with a light breeze, highly detailed, smooth motion, polished draft animation",
    "image": [
      "https://d1s3annbwribom.cloudfront.net/marketplace/examples/2026/10/08/2b347da8119a.jpeg"
    ],
    "aspect_ratio": "16:9",
    "duration": 5,
    "generate_audio": true
  }
}'
curl 'https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID' \
  -H "Authorization: Bearer $API_KEY"

提交后返回 task_uuid;轮询至 completed 或 failed。成功输出字段:output.videos(URL 数组)。本 API 使用异步任务并返回 URL。

WaveSpeed

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