图像 API已上线

flux-2 API

Flux 2 已通过 API in One 接入真实生产路由 /api/v1/images/generations，后端节点为 node41。一个 API Key 即可调用并按成功请求计费。

获取 API Key 查看文档

真实能力

以下能力来自当前已接入的模型配置和后端路由，不展示未上线 API。

稳定生产路由

Pro and Flex modes for quality vs speed tradeoff

统一接口

1K and 2K resolution support

透明计费

Image-to-image with up to 8 reference images

快速接入

Webhook support for async workflows

请求方式

浏览器端只调用同源 API，服务端 BFF 再转发到对应 Worker。

方法端点积分用途

POST/api/v1/images/generations5 积分

High-quality AI image generation with excellent prompt following and photorealistic output.

参数

promptstring

Text description of the image (3–5000 chars)

必填

aspect_ratiostring

Output aspect ratio (e.g. 1:1, 16:9, 9:16)

可选 · 默认 1:1

typestring

Generation mode: "pro" (higher quality) or "flex" (faster/cheaper)

可选 · 默认 pro

resolutionstring

Output resolution: "1K" or "2K"

可选 · 默认 1K

input_urlsarray

Array of image URLs for image-to-image (max 8 images)

可选

示例请求

{
  "endpoint": "/api/v1/images/generations",
  "headers": {
    "Authorization": "Bearer <API_KEY>",
    "Content-Type": "application/json"
  },
  "body": {
    "model": "flux-2",
    "prompt": "A serene Japanese garden with cherry blossoms, koi pond, and wooden bridge, photorealistic",
    "aspect_ratio": "16:9",
    "type": "pro",
    "resolution": "1K"
  }
}

任务状态查询

图像、视频、音频和工具任务创建后，使用真实任务端点查询结果。

GET/api/v1/tasks/{task_id}查询生成任务状态和结果。

价格

5–24 credits per image (~$0.05–$0.24)

基础价格$0.05

积分5

计费按成功请求

使用场景

这些场景可通过当前模型和对应后端节点实现。

Generate product mockups and marketing visuals from text descriptions

Create AI-generated artwork and illustrations for content

Build AI image generation features into your application

Produce photorealistic stock images on demand

常见问题

How much does the Flux 2 API cost?

Credits vary by mode and resolution. Pro mode at 1K costs 5 credits, 2K costs 7 credits. Flex mode at 1K costs 14 credits, 2K costs 24 credits. Free credits included on sign up.

What is the difference between Pro and Flex mode?

Pro mode produces higher quality results. Flex mode is faster and cheaper, suitable for rapid iteration. Set the "type" parameter to "pro" or "flex".

Can I use reference images?

Yes. Flux 2 supports image-to-image by providing up to 8 input image URLs via the "input_urls" parameter alongside your text prompt.

What resolutions are supported?

Flux 2 supports 1K and 2K resolution output. Set via the "resolution" parameter.

How do I call Flux 2?

Use POST /api/v1/images/generations with model "flux-2", then poll the returned task ID through /api/v1/tasks/{task_id}.