Flux-2 文生图

接口

POST /images/generations

完整 URL: https://modelfold.ai/v1/images/generations

鉴权：所有请求都需要 Authorization: Bearer <API_KEY> 请求头。

模型参数直接放在 JSON 请求体中，不要套 input。请求等待生成完成后返回 data[].url；支持的媒体模型也可使用 异步创建、轮询及回调。示例素材地址须替换为自己的公开可访问文件。计费及错误说明见 API 网关。

生成任务的输入参数

请求参数

请求体 (application/json)

参数	类型	必填	说明
model	string	是	用于生成的模型名称。必填字段。 - 此端点必须使用 flux-2/flex-text-to-image 默认值："flux-2/flex-text-to-image"。 可选值：flux-2/flex-text-to-image。 示例：flux-2/flex-text-to-image。
prompt	string	是	本站网关要求传入 prompt，最长 2000 字。长度必须在 3-5000 字符之间。（最大长度：5000 字符） maxLength: 2000. 示例：A humanoid figure with a vintage television set for a head, featuring a green-tinted screen displaying a Hello FLUX.2 writing in ASCII font. The figure is wearing a yellow raincoat, and there are various wires and components attached to the television. The background is cloudy and indistinct, suggesting an outdoor setting。
aspect_ratio	string	是	必填。生成图像的宽高比。 可选值：1:1 / 4:3 / 3:4 / 16:9 / 9:16 / 3:2 / 2:3。 示例：1:1。
resolution	string	是	必填。输出图像分辨率。 可选值：1K / 2K。 示例：1K。
nsfw_checker	boolean	否	默认 false。为 false 时不额外进行内容过滤，结果由模型直接返回。

请求示例

curl -X POST "https://modelfold.ai/v1/images/generations" \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "flux-2/flex-text-to-image",
  "prompt": "A humanoid figure with a vintage television set for a head, featuring a green-tinted screen displaying a `Hello FLUX.2` writing in ASCII font. The figure is wearing a yellow raincoat, and there are various wires and components attached to the television. The background is cloudy and indistinct, suggesting an outdoor setting",
  "aspect_ratio": "1:1",
  "resolution": "1K"
}'

{
  "model": "flux-2/flex-text-to-image",
  "prompt": "A humanoid figure with a vintage television set for a head, featuring a green-tinted screen displaying a `Hello FLUX.2` writing in ASCII font. The figure is wearing a yellow raincoat, and there are various wires and components attached to the television. The background is cloudy and indistinct, suggesting an outdoor setting",
  "aspect_ratio": "1:1",
  "resolution": "1K"
}

响应

200 — 生成完成。usage 返回实际计费明细；结果地址仅作结构示例。

{
  "ok": true,
  "created": 1792134000,
  "data": [
    {
      "url": "https://modelfold.ai/uploads/outputs/result.png"
    }
  ],
  "usage": {}
}