Dawncoreai API 文档

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x-api-key: 94bfafb6-xxx-xxxxx-xxxxx-xxxxxx

{
  "code": 200,
  "message": "success",
  "data": { ... }
}

{
  "code": 200,
  "message": "success",
  "data": {
    "asset_id": "asset-20260627180944-gzncg",
    "status": "Active"
  }
}

{
  "url": "https://dawncoreai-dev.tos-cn-beijing.volces.com/uploads/1/2026/05/06/b56ba980-2f5a-4c1e-8dc6-98f8fa9efd16.jpeg"
}

{
  "code": 200,
  "message": "success",
  "data": {
    "asset_id": "asset-20260627180944-gzncg"
  }
}

{
    "code": 200,
    "message": "success",
    "data": {
        "task_id": "dg-20260627184538-7zsnz"
    }
}

{
  "model": "Nano Banana",
  "prompt": "一只在花园中的猫",
  "negative_prompt": "模糊",
  "image_urls": ["https://example.com/reference.jpg"],
  "ratio": "1:1",
  "resolution": "1K",
  "enhance_prompt": true
}

{
  "code": 200,
  "message": "success",
  "data": {
    "task_id": "dg-20260908094925-adbf5"
  }
}

{
    "code": 200,
    "message": "success",
    "data": {
        "usage": {
        "completion_tokens": 216900,
        "total_tokens": 216900,
        "total_cost": 0.7020
        },
        "task_id": "dg-20260627184538-7zsnz",
        "error": null,
        "content": {
        "video_url": "https://xxx.com/..."
        },
        "status": "succeeded"
    }
}

    {
    "code": 200,
    "message": "success",
    "data": {
        "usage": {
            "image_count": 1,
            "completion_tokens": 0,
            "total_tokens": 1,
            "total_cost": 1.1200
        },
        "task_id": "dg-20260908094925-adbf5",
        "content": [
            {
                "type": "image_url",
                "image_url": {
                    "url": "https://xxx.com/local-upload/19/2026/09/08/xxx.jpg"
                }
            }
        ],
        "status": "succeeded"
    }
}

{
  "code": 200,
  "message": "success",
  "data": [
    { "model": "Nano Banana", "model_concurrency_limit": 0 },
    { "model": "Nano Banana Pro", "model_concurrency_limit": 2 },
    { "model": "Seedance2.0", "model_concurrency_limit": 5 }
  ]
}

// Node.js 示例，ESM 写法；CommonJS 项目请改用：const OpenAI = require('openai');
import OpenAI from 'openai';

const openai = new OpenAI({
  // 填团队 x-api-key（前台「我的密钥」获取），不是 OpenAI 平台的 sk-xxx
  apiKey: '94bfafb6-xxx-xxxxx-xxxxx-xxxxxx',
  baseURL: 'https://mp.dawncoreai.com/v1',
  timeout: 5 * 60 * 1000,  // 生图为同步等待，放宽客户端超时
  maxRetries: 0            // 关闭自动重试，避免超时后重复提交、重复扣费
});

const models = await openai.models.list();
console.log(models.data.map(m => m.id));

{
  "object": "list",
  "data": [
    { "id": "Nano Banana", "object": "model", "created": 1757472000, "owned_by": "proxysys" },
    { "id": "Seedance2.0", "object": "model", "created": 1757472000, "owned_by": "proxysys" }
  ]
}

// 非流式：一次返回完整回复
const res = await openai.chat.completions.create({
  model: 'DeepSeek-V4.1-Flash',
  messages: [
    { role: 'system', content: '你是一个乐于助人的AI助手。' },
    { role: 'user', content: '用一句话介绍你自己' }
  ],
  temperature: 0.7,
  max_tokens: 1024
});
console.log(res.choices[0].message.content);
console.log(res.usage.total_tokens);

// 流式：逐段输出（DeepSeek 思维链在 delta.reasoning_content）
const stream = await openai.chat.completions.create({
  model: 'DeepSeek-V4.1-Flash',
  messages: [{ role: 'user', content: '写一首关于秋天的短诗' }],
  stream: true
});
for await (const chunk of stream) {
  const delta = chunk.choices[0]?.delta ?? {};
  if (delta.reasoning_content) process.stdout.write(delta.reasoning_content);
  if (delta.content) process.stdout.write(delta.content);
}

{
  "id": "dg-20260924231030-a1b2c3",
  "object": "chat.completion",
  "created": 1758748230,
  "model": "DeepSeek-V4.1-Flash",
  "choices": [
    {
      "index": 0,
      "message": { "role": "assistant", "content": "你好！我是……" },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 36,
    "completion_tokens": 188,
    "total_tokens": 224,
    "prompt_tokens_details": { "cached_tokens": 0 },
    "completion_tokens_details": { "reasoning_tokens": 111 }
  }
}

const res = await openai.images.generate({
  model: 'Nano Banana',
  prompt: '一只戴着宇航员头盔的柴犬，赛博朋克风格，高清细节',
  size: '1024x1024',
  resolution: '2K',
  negative_prompt: '模糊, 低质量',
  enhance_prompt: true
});
console.log(res.created);
console.log(res.data[0].url);

{
  "created": 1757472000,
  "data": [
    { "url": "https://xxx.com/local-upload/19/2026-09-08/xxx.jpg" }
  ]
}

const created = await openai.videos.create({
  model: 'Seedance2.0',
  prompt: '镜头缓慢推进，人物微笑挥手，光影自然流动',
  input_reference: ['https://xxx.com/first-frame.jpeg'],
  seconds: '4',
  size: '1280x720',
  resolution: '720p',
  generate_audio: true,
  watermark: false
});
console.log(created.id, created.status);

{
  "id": "dg-20260908094925-adbf5",
  "object": "video",
  "model": "Seedance2.0",
  "status": "queued",
  "created_at": 1757472000,
  "progress": 0,
  "seconds": "4",
  "size": "1280x720"
}

async function waitForVideo(id) {
  let video = await openai.videos.retrieve(id);
  while (video.status === 'queued' || video.status === 'in_progress') {
    await new Promise(r => setTimeout(r, 5000));
    video = await openai.videos.retrieve(id);
  }
  return video;
}

const video = await waitForVideo(created.id);
if (video.status === 'completed') {
  console.log('视频下载地址:', video.download_url);
  console.log('用量/费用:', JSON.stringify(video.usage));
}

{
  "id": "dg-20260908094925-adbf5",
  "object": "video",
  "status": "completed",
  "progress": 100,
  "download_url": "https://xxx.com/xxx.mp4",
  "error": null,
  "usage": {
    "completion_tokens": 216900,
    "total_tokens": 216900,
    "total_cost": 0.7020
  }
}

{
  "error": {
    "message": "model 不能为空",
    "type": "invalid_request_error",
    "param": null,
    "code": "400"
  }
}

try {
  const res = await openai.images.generate({ model: 'Nano Banana', prompt: '一只猫' });
  console.log(res.data[0].url);
} catch (err) {
  // OpenAI SDK 会将非 2xx 响应抛为 APIError，err.status 为 HTTP 状态码，err.error 为上述错误体
  console.error('HTTP', err.status, JSON.stringify(err.error));
}