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

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

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

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

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 参数传递其他配置

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

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

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"
            }
          }
        ]
      }
    ]
  }'