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- import { CodeGroup } from '../code.tsx'
- import { Row, Col, Properties, Property, Heading, SubProperty } from '../md.tsx'
- # 文本生成型应用 API
- 可用于生成高质量文本的应用,例如生成文章、摘要、翻译等,通过调用 completion-messages 接口,发送用户输入得到生成文本结果。用于生成文本的模型参数和提示词模版取决于开发者在 Dify 提示词编排页的设置。
- <div>
- ### 鉴权
- Dify Service API 使用 `API-Key` 进行鉴权。
- 建议开发者把 `API-Key` 放在后端存储,而非分享或者放在客户端存储,以免 `API-Key` 泄露,导致财产损失。
- 所有 API 请求都应在 **`Authorization`** HTTP Header 中包含您的 `API-Key`,如下所示:
- <CodeGroup title="Code">
- ```javascript
- Authorization: Bearer {API_KEY}
- ```
- </CodeGroup>
- </div>
- ---
- <Heading
- url='/completion-messages'
- method='POST'
- title='创建文本补全消息'
- name='#Create-Completion-Message'
- />
- <Row>
- <Col>
- 创建文本补全消息,支持一问一答模式。
- ### Request Body
- <Properties>
- <Property name='inputs' type='object' key='inputs'>
- (选填)以键值对方式提供用户输入字段,与提示词编排中的变量对应。Key 为变量名称,Value 是参数值。如果字段类型为 Select,传入的 Value 需为预设选项之一。
- <ul>
- {!!props.variables.length && props.variables.map(
- val => (
- <SubProperty name={val.key} type={val.type} key={val.key}>
- {val.name ? `${val.name}` : ''}
- </SubProperty>
- )
- )}
- </ul>
- </Property>
- <Property name='response_mode' type='string' key='response_mode'>
- - blocking 阻塞型,等待执行完毕后返回结果。(请求若流程较长可能会被中断)
- - streaming 流式返回。基于 SSE(**[Server-Sent Events](https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events)**)实现流式返回。
- </Property>
- <Property name='user' type='string' key='user'>
- 用户标识,由开发者定义规则,需保证用户标识在应用内唯一。
- </Property>
- <Property name='files' type='array[object]' key='files'>
- 上传的文件。
- - `type` 文件类型:目前仅支持 `image`。
- - `transfer_method` 传递方式:
- - `remote_url`: 图片地址。
- - `local_file`: 上传文件。
- - `upload_file_id` 上传文件 ID。`transfer_method` 为 `local_file` 时必填。
- - `url` 图片地址。`transfer_method` 为 `remote_url` 时必填。
- </Property>
- </Properties>
- </Col>
- <Col sticky>
- <CodeGroup title="Request" tag="POST" label="/completion-messages" targetCode={`curl --location --request POST '${props.appDetail.api_base_url}/completion-messages' \\\n--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \\\n--header 'Content-Type: application/json' \\\n--data-raw '{\n "inputs": ${JSON.stringify(props.inputs)},\n "response_mode": "streaming",\n "user": "abc-123"\n}'\n`}>
- ```bash {{ title: 'cURL' }}
- curl --location --request POST '${props.appDetail.api_base_url}/completion-messages' \
- --header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \
- --header 'Content-Type: application/json' \
- --data-raw '{
- "inputs": {},
- "response_mode": "streaming",
- "user": "abc-123"
- }'
- ```
- </CodeGroup>
- ### blocking
- <CodeGroup title="Response">
- ```json {{ title: 'Response' }}
- {
- "id": "0b089b9a-24d9-48cc-94f8-762677276261",
- "answer": "how are you?",
- "created_at": 1679586667
- }
- ```
- </CodeGroup>
- ### streaming
- <CodeGroup title="Response">
- ```streaming {{ title: 'Response' }}
- data: {"id": "5ad4cb98-f0c7-4085-b384-88c403be6290", "answer": " I", "created_at": 1679586595}
- data: {"id": "5ad4cb98-f0c7-4085-b384-88c403be6290", "answer": " I", "created_at": 1679586595}
- ```
- </CodeGroup>
- </Col>
- </Row>
- ---
- <Heading
- url='/messages/{message_id}/feedbacks'
- method='POST'
- title='消息反馈(点赞)'
- name='#feedbacks'
- />
- <Row>
- <Col>
- 代表最终用户对返回消息进行评价,可以点赞与点踩,该数据将在“日志与标注”页中可见,并用于后续的模型微调。
- ### Path Params
- <Properties>
- <Property name='message_id' type='string' key='message_id'>
- 消息 ID
- </Property>
- </Properties>
- ### Request Body
- <Properties>
- <Property name='rating' type='string' key='rating'>
- like 或 dislike, 空值为撤销
- </Property>
- <Property name='user' type='string' key='user'>
- 用户标识,由开发者定义规则,需保证用户标识在应用内唯一。
- </Property>
- </Properties>
- </Col>
- <Col sticky>
- <CodeGroup title="Request" tag="POST" label="/messages/{message_id}/feedbacks" targetCode={`curl --location --request POST '${props.appDetail.api_base_url}/messages/{message_id}/feedbacks \\\n--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \\\n--header 'Content-Type: application/json' \\\n --data-raw '{ \n "rating": "like",\n "user": "abc-123"\n}'`}>
- ```bash {{ title: 'cURL' }}
- curl --location --request POST '${props.appDetail.api_base_url}/messages/{message_id}/feedbacks' \
- --header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \
- --header 'Content-Type: application/json' \
- --data-raw '{
- "rating": "like",
- "user": "abc-123"
- }'
- ```
- </CodeGroup>
- <CodeGroup title="Response">
- ```json {{ title: 'Response' }}
- {
- "has_more": false,
- "data": [
- {
- "id": "WAz8eIbvDR60rouK",
- "username": "FrankMcCallister",
- "phone_number": "1-800-759-3000",
- "avatar_url": "https://assets.protocol.chat/avatars/frank.jpg",
- "display_name": null,
- "conversation_id": "xgQQXg3hrtjh7AvZ",
- "created_at": 692233200
- },
- {
- "id": "hSIhXBhNe8X1d8Et"
- // ...
- }
- ]
- }
- ```
- </CodeGroup>
- </Col>
- </Row>
- ---
- <Heading
- url='/files/upload'
- method='POST'
- title='上传文件'
- name='#files-upload'
- />
- <Row>
- <Col>
- 上传文件到服务器,供文本生成、对话使用。上传的文件仅供当前终端用户使用。
- ### Request Body
- 请求方式为 `multipart/form-data`。
- <Properties>
- <Property name='file' type='file' key='file'>
- 要上传的文件。目前支持 png, jpg, jpeg, webp, gif 格式文件。
- </Property>
- <Property name='user' type='string' key='user'>
- 用户标识,由开发者定义规则,需保证用户标识在应用内唯一。
- </Property>
- </Properties>
- </Col>
- <Col sticky>
- <CodeGroup title="Request" tag="POST" label="/files/upload" targetCode={`curl --location --request POST '${props.appDetail.api_base_url}/files/upload' \\\n--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \\\n--form 'file=@localfile;type=image/[png|jpeg|jpg|webp|gif] \\\n--form 'user=abc-123'`}>
- ```bash {{ title: 'cURL' }}
- curl --location --request POST '${props.appDetail.api_base_url}/files/upload' \
- --header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \
- --form 'file=@"/path/to/file"'
- ```
- </CodeGroup>
- <CodeGroup title="Response">
- ```json {{ title: 'Response' }}
- {
- "id": "72fa9618-8f89-4a37-9b33-7e1178a24a67",
- "name": "example.png",
- "size": 1024,
- "extension": "png",
- "mime_type": "image/png",
- "created_by": 123,
- "created_at": 1577836800,
- }
- ```
- </CodeGroup>
- </Col>
- </Row>
- ---
- <Heading
- url='/parameters'
- method='GET'
- title='获取应用配置信息'
- name='#parameters'
- />
- <Row>
- <Col>
- 内容包括:
- 1. 已配置的 Input 参数,包括变量名、字段名称、类型与默认值。通常用于客户端加载后显示这些字段的表单或填入默认值。
- 2. 上传图片的配置,包括是否开启上传图片,上传图片的数量和上传方式。注意:这个配置只有使用支持多模态的模型时才会生效。
- ### Query
- <Properties>
- <Property name='user' type='string' key='user'>
- 用户标识,由开发者定义规则,需保证用户标识在应用内唯一。
- </Property>
- </Properties>
- </Col>
- <Col sticky>
- <CodeGroup title="Request" tag="GET" label="/parameters" targetCode={`curl --location --request GET '${props.appDetail.api_base_url}/parameters?user=abc-123' \\\n--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY'`}>
- ```bash {{ title: 'cURL' }}
- curl --location --request GET '${props.appDetail.api_base_url}/parameters?user=abc-123' \
- --header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY'
- ```
- </CodeGroup>
- <CodeGroup title="Response">
- ```json {{ title: 'Response' }}
- {
- "introduction": "nice to meet you",
- "user_input_form": [
- {
- "text-input": {
- "label": "a",
- "variable": "a",
- "required": true,
- "max_length": 48,
- "default": ""
- }
- }
- {
- // ...
- }
- ],
- "file_upload": {
- "image": {
- "enabled": true,
- "number_limits": 3,
- "transfer_methods": [
- "remote_url",
- "local_file"
- ]
- }
- }
- }
- ```
- </CodeGroup>
- </Col>
- </Row>
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