black-forest-labs/flux-3/text-to-video

black-forest-labs/flux-3/text-to-video

black-forest-labs/flux-3/text-to-video. 瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。

相關模型

black-forest-labs/flux-3/text-to-video 相關模型 1

完整參數參考、輸出結構與即時價格

AI 模型 API 市集一個平台,全部完成最受歡迎服務條款瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。
prompt *Prompttextarea—≤ 5000 chars
aspect_ratioAspect Ratioselect9:1621:9 | 2:1 | 16:9 | 4:3 | 1:1 | 3:4 | 9:16
resolutionResolutionselect720p720p | 1080p
durationDurationslider55 ~ 20 · step 1
generate_audioGenerate Audiobooleantrue—

完整參數參考、輸出結構與即時價格

深入了解一個平台,全部完成瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。
videosarray<string>

API

瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。

cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/text-to-video" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "prompt": "A cinematic tracking shot of a neon-lit street market in Tokyo at night during light rain, reflections shimmering on the pavement, pedestrians with transparent umbrellas moving naturally through the scene, steam rising from food stalls, subtle camera dolly forward, realistic motion, atmospheric lighting, high detail, immersive urban ambience",
    "aspect_ratio": "9:16",
    "resolution": "720p",
    "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/text-to-video",
    headers=HEADERS,
    json={
        "input": {
            "prompt": "A cinematic tracking shot of a neon-lit street market in Tokyo at night during light rain, reflections shimmering on the pavement, pedestrians with transparent umbrellas moving naturally through the scene, steam rising from food stalls, subtle camera dolly forward, realistic motion, atmospheric lighting, high detail, immersive urban ambience",
            "aspect_ratio": "9:16",
            "resolution": "720p",
            "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/text-to-video", {
  method: "POST",
  headers: { ...HEADERS, "Content-Type": "application/json" },
  body: JSON.stringify({
    "input": {
      "prompt": "A cinematic tracking shot of a neon-lit street market in Tokyo at night during light rain, reflections shimmering on the pavement, pedestrians with transparent umbrellas moving naturally through the scene, steam rising from food stalls, subtle camera dolly forward, realistic motion, atmospheric lighting, high detail, immersive urban ambience",
      "aspect_ratio": "9:16",
      "resolution": "720p",
      "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);

API 文件

black-forest-labs/flux-3/text-to-video

black-forest-labs/flux-3/text-to-video

FLUX 3 Text-to-Video generates cinematic 5-20 second videos from text prompts, with coherent motion, cinematic composition, optional synchronized audio, and 720P / 1080P output for creative videos, social content, ads, and production workflows. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Parameters

ParameterTypeRequiredDefaultLimits / description
promptstringYes—max 5000 chars; The text prompt describing the video you want to generate.
aspect_ratiostringNo"9:16"21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16; The aspect ratio of the generated media.
resolutionstringNo"720p"720p, 1080p; Resolution of the generated video.
durationintegerNo55–20; step 1; Video length in seconds (5-20).
generate_audiobooleanNotrueWhether to generate audio for the video.

Pricing

ModeUSD / secondCredits / secondUSD / 5 seconds
720p$0.1717$0.85
1080p$0.2929$1.45

Price = rate × min(ceil(duration), 20). duration is an integer from 5 to 20; default 5. generate_audio does not change the price.

WaveSpeed standard list price; USD 1 = 100 credits. Account discounts are separate.

API

curl -X POST https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/text-to-video \
  -H "Authorization: Bearer $API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "input": {
    "prompt": "A cinematic tracking shot of a neon-lit street market in Tokyo at night during light rain, reflections shimmering on the pavement, pedestrians with transparent umbrellas moving naturally through the scene, steam rising from food stalls, subtle camera dolly forward, realistic motion, atmospheric lighting, high detail, immersive urban ambience",
    "aspect_ratio": "9:16",
    "resolution": "720p",
    "duration": 5,
    "generate_audio": true
  }
}'
curl 'https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID' \
  -H "Authorization: Bearer $API_KEY"

Submit returns task_uuid. Poll until completed or failed. Successful output: output.videos (URL array). This API is asynchronous and returns URLs.

WaveSpeed

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