文生图Flux 2 Dev

flux-2-dev/text-to-image

flux-2-dev/text-to-image

Black Forest Labs 推出的 FLUX.2 [dev] 提供快速、影棚级质量的文生图生成,具备更强的真实感、更清晰的文字渲染和原生编辑能力,便于快速迭代。开箱即用的 REST 推理 API,性能出色,无冷启动,价格实惠。

示例

flux-2-dev/text-to-image 示例 1

参数

名称类型默认约束说明
prompt *提示词textarea—≤ 5000 chars用于生成的正向提示词。
size尺寸text1024*1024≤ 500 chars生成媒体的像素尺寸(宽度*高度)。
seed随机种子number—step 1用于生成的随机种子。设为 -1 表示使用随机种子。

输出字段

字段类型说明
imagesarray<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/flux-2-dev/text-to-image" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "prompt": "A cinematic portrait of a young astronaut standing in a neon-lit greenhouse on Mars, ultra-realistic, detailed face, reflective visor helmet tucked under one arm, lush green plants contrasting with red Martian soil outside the glass dome, soft volumetric lighting, sharp focus, high detail, subtle text label on a nearby equipment case reading \"Ares Botany Lab\"",
    "size": "1024*1024",
    "seed": -1
  }
}'

# 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/flux-2-dev/text-to-image",
    headers=HEADERS,
    json={
        "input": {
            "prompt": "A cinematic portrait of a young astronaut standing in a neon-lit greenhouse on Mars, ultra-realistic, detailed face, reflective visor helmet tucked under one arm, lush green plants contrasting with red Martian soil outside the glass dome, soft volumetric lighting, sharp focus, high detail, subtle text label on a nearby equipment case reading \"Ares Botany Lab\"",
            "size": "1024*1024",
            "seed": -1
        }
    },
)
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/flux-2-dev/text-to-image", {
  method: "POST",
  headers: { ...HEADERS, "Content-Type": "application/json" },
  body: JSON.stringify({
    "input": {
      "prompt": "A cinematic portrait of a young astronaut standing in a neon-lit greenhouse on Mars, ultra-realistic, detailed face, reflective visor helmet tucked under one arm, lush green plants contrasting with red Martian soil outside the glass dome, soft volumetric lighting, sharp focus, high detail, subtle text label on a nearby equipment case reading \"Ares Botany Lab\"",
      "size": "1024*1024",
      "seed": -1
    }
  }),
});
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

flux-2-dev/text-to-image

flux-2-dev/text-to-image

Black Forest Labs 推出的 FLUX.2 [dev] 提供快速、影棚级质量的文生图生成,具备更强的真实感、更清晰的文字渲染和原生编辑能力,便于快速迭代。开箱即用的 REST 推理 API,性能出色,无冷启动,价格实惠。

参数

参数类型必填默认值范围/说明
promptstring是—max 5000 chars; 用于生成的正向提示词。
sizestring否"1024*1024"max 500 chars; 生成媒体的像素尺寸(宽度*高度)。
seedinteger否—用于生成的随机种子。设为 -1 表示使用随机种子。

价格

每张生成图片 $0.012,即 1.2 积分。本接口采用固定价格。

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/flux-2-dev/text-to-image \
  -H "Authorization: Bearer $API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "input": {
    "prompt": "A cinematic portrait of a young astronaut standing in a neon-lit greenhouse on Mars, ultra-realistic, detailed face, reflective visor helmet tucked under one arm, lush green plants contrasting with red Martian soil outside the glass dome, soft volumetric lighting, sharp focus, high detail, subtle text label on a nearby equipment case reading \"Ares Botany Lab\"",
    "size": "1024*1024",
    "seed": -1
  }
}'
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.images(URL 数组)。本 API 使用异步任务并返回 URL。

WaveSpeed

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