Dify2OpenAI Gateway

Dify2OpenAI 是一个将 Dify 应用程序转换为 OpenAI API 接口的网关服务，使您可以使用 OpenAI API 兼容的方式与 Dify 应用进行交互。

配置参数

参数	说明	示例
DIFY_API_URL	Dify 服务的 API 基础 URL	https://cloud.dify.ai/v1
API_KEY	Dify 应用的 API 密钥	app-xxxx
BOT_TYPE	应用类型（Chat、Completion、Workflow）	Chat
INPUT_VARIABLE	输入变量名称（仅 Workflow 类型需要）	input
OUTPUT_VARIABLE	输出变量名称（仅 Workflow 类型需要）	output

接入方式

方式一：所有配置在 Authorization Header 中

✔️ Authorization Header 格式：

Authorization: Bearer DIFY_API_URL|API_KEY|BOT_TYPE|INPUT_VARIABLE|OUTPUT_VARIABLE

✔️ 示例：

Authorization: Bearer https://cloud.dify.ai/v1|app-xxxx|Chat

model 参数设置为 dify

基础对话示例

方式一

curl http://localhost:3099/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer https://cloud.dify.ai/v1|app-xxxx|Chat" \
  -X POST \
  -d '{
    "model": "dify",
    "stream": true,
    "messages": [
      {
        "role": "system",
        "content": "You are a helpful assistant."
      },
      {
        "role": "user",
        "content": "你好"
      }
    ]
  }'

带图片的对话示例

图像支持

curl http://localhost:3099/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer https://cloud.dify.ai/v1|app-xxxx|Chat" \
  -X POST \
  -d '{
    "model": "dify",
    "stream": true,
    "messages": [
      {
        "role": "user",
        "content": [
          "请分析这张图片。",
          {
            "type": "image_url",
            "image_url": {
              "url": "https://example.com/image.jpg"
            }
          }
        ]
      }
    ]
  }'

方式二：Authorization Header 传递 API_KEY，model 参数传递其他配置

✔️ Authorization Header 格式：

Authorization: Bearer API_KEY

✔️ model 参数格式：

"model": "dify|BOT_TYPE|DIFY_API_URL|INPUT_VARIABLE|OUTPUT_VARIABLE"

基础对话示例

方式二

curl http://localhost:3099/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer app-xxxx" \
  -X POST \
  -d '{  
    "model": "dify|Chat|https://cloud.dify.ai/v1",
    "stream": true,
    "messages": [
      {
        "role": "system",
        "content": "You are a helpful assistant."
      },
      {
        "role": "user",
        "content": "你好"
      }
    ]
  }'

带图片的对话示例

图像支持

curl http://localhost:3099/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer app-xxxx" \
  -X POST \
  -d '{  
    "model": "dify|Chat|https://cloud.dify.ai/v1",
    "stream": true,
    "messages": [
      {
        "role": "user",
        "content": [
          "请分析这张图片。",
          {
            "type": "image_url",
            "image_url": {
              "url": "https://example.com/image.jpg"
            }
          }
        ]
      }
    ]
  }'

方式三：Authorization Header 传递 DIFY_API_URL，model 参数传阒其他配置

✔️ Authorization Header 格式：

Authorization: Bearer DIFY_API_URL

✔️ model 参数格式：

"model": "dify|API_KEY|BOT_TYPE|INPUT_VARIABLE|OUTPUT_VARIABLE"

基础对话示例

方式三

curl http://localhost:3099/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer https://cloud.dify.ai/v1" \
  -X POST \
  -d '{  
    "model": "dify|app-xxxx|Chat",
    "stream": true,
    "messages": [
      {
        "role": "system",
        "content": "You are a helpful assistant."
      },
      {
        "role": "user",
        "content": "你好"
      }
    ]
  }'

带图片的对话示例

图像支持

curl http://localhost:3099/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer https://cloud.dify.ai/v1" \
  -X POST \
  -d '{  
    "model": "dify|app-xxxx|Chat",
    "stream": true,
    "messages": [
      {
        "role": "user",
        "content": [
          "请分析这张图片。",
          {
            "type": "image_url",
            "image_url": {
              "url": "https://example.com/image.jpg"
            }
          }
        ]
      }
    ]
  }'

接口转换

将 Dify API 无缝转换为 OpenAI API，兼容各种 OpenAI 客户端

多模态支持

支持图像、文档、音频和视频等多种类型文件处理

多种应用类型

支持 Chat、Completion、Workflow 等不同类型的 Dify 应用