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
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 | slider | 5 | 5 ~ 20 · step 1 | 视频时长(秒),范围为 5-20。 |
| generate_audio生成音频 | boolean | true | — | 是否为视频生成音频。 |
输出字段
| 字段 | 类型 | 说明 |
|---|---|---|
| videos | array<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 |
|---|---|---|---|---|
prompt | string | 是 | — | max 5000 chars; 描述你想生成的视频内容的文本提示词。 |
image | array | 是 | — | 1–1 URLs; 视频起始图片的 URL(PNG、JPEG 或 WebP)。 |
aspect_ratio | string | 否 | — | 21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16; 生成内容的宽高比。 |
duration | integer | 否 | 5 | 5–20; step 1; 视频时长(秒),范围为 5-20。 |
generate_audio | boolean | 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
| Mode | USD / second | Credits / second | USD / 5 seconds |
|---|---|---|---|
| Draft | $0.06 | 6 | $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。
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