Kimi (Moonshot AI) Files API

openapi: 3.1.0
info:
  title: Moonshot AI Files API
  version: 1.0.0
  description: Moonshot AI / Kimi 大语言模型服务 API
servers:
- url: https://api.moonshot.cn
  description: 生产环境
tags:
- name: Files
paths:
  /v1/files:
    post:
      summary: 上传文件
      description: 上传文件用于内容提取、图片理解或视频理解。
      tags:
      - Files
      security:
      - bearerAuth: []
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                file:
                  type: string
                  format: binary
                  description: 要上传的文件
                purpose:
                  type: string
                  enum:
                  - file-extract
                  - image
                  - video
                  - batch
                  description: 指定上传文件的处理方式。file-extract：抽取文件内容；image：上传图片，用于视觉理解；video：上传视频，用于视频理解；batch：上传 JSONL 文件，用于批处理任务
              required:
              - file
              - purpose
      responses:
        '200':
          description: 已上传文件的元数据
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FileObject'
        '400':
          description: 请求错误 - 上传参数无效
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: 未授权 - API 密钥无效或缺失
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: 服务器错误
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    get:
      summary: 文件列表
      description: 列出当前用户上传的所有文件。
      tags:
      - Files
      security:
      - bearerAuth: []
      responses:
        '200':
          description: 已上传文件列表
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FileListResponse'
        '401':
          description: 未授权 - API 密钥无效或缺失
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: 服务器错误
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /v1/files/{file_id}:
    get:
      summary: 获取文件信息
      description: 获取指定已上传文件的元数据。
      tags:
      - Files
      security:
      - bearerAuth: []
      parameters:
      - name: file_id
        in: path
        required: true
        description: 文件标识符
        schema:
          type: string
      responses:
        '200':
          description: 文件元数据
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FileObject'
        '401':
          description: 未授权 - API 密钥无效或缺失
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: 文件未找到
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: 服务器错误
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      summary: 删除文件
      description: 删除一个已上传的文件。
      tags:
      - Files
      security:
      - bearerAuth: []
      parameters:
      - name: file_id
        in: path
        required: true
        description: 文件标识符
        schema:
          type: string
      responses:
        '200':
          description: 删除结果
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FileDeleteResponse'
        '401':
          description: 未授权 - API 密钥无效或缺失
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: 文件未找到
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: 服务器错误
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /v1/files/{file_id}/content:
    get:
      summary: 获取文件内容
      description: 获取以 `file-extract` 用途上传的文件的提取文本内容。
      tags:
      - Files
      security:
      - bearerAuth: []
      parameters:
      - name: file_id
        in: path
        required: true
        description: 文件标识符
        schema:
          type: string
      responses:
        '200':
          description: 提取的文件内容
          content:
            text/plain:
              schema:
                type: string
                description: 提取的文件内容（纯文本）
        '401':
          description: 未授权 - API 密钥无效或缺失
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: 文件未找到
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: 服务器错误
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    FileObject:
      type: object
      properties:
        id:
          type: string
          description: 文件唯一标识符
        object:
          type: string
          description: 对象类型
          example: file
        bytes:
          type: integer
          description: 文件大小（字节）
        created_at:
          type: integer
          description: 文件创建时的 Unix 时间戳
        filename:
          type: string
          description: 原始文件名
        purpose:
          type: string
          description: 上传文件时指定的用途。file-extract：抽取文件内容；image：上传图片，用于视觉理解；video：上传视频，用于视频理解；batch：上传 JSONL 文件，用于批处理任务
          enum:
          - file-extract
          - image
          - video
          - batch
        status:
          type: string
          description: 文件处理状态
          example: ready
        status_details:
          type: string
          description: 处理失败或返回警告时的额外状态详情
      required:
      - id
      - object
      - bytes
      - created_at
      - filename
      - purpose
      - status
    FileDeleteResponse:
      type: object
      properties:
        id:
          type: string
          description: 已删除文件的标识符
        object:
          type: string
          example: file
        deleted:
          type: boolean
          description: 文件是否删除成功
      required:
      - id
      - object
      - deleted
    FileListResponse:
      type: object
      properties:
        object:
          type: string
          example: list
        data:
          type: array
          items:
            $ref: '#/components/schemas/FileObject'
      required:
      - object
      - data
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              description: 描述错误原因的错误消息
            type:
              type: string
              description: 错误类型
            code:
              type: string
              description: 错误码
          required:
          - message
      required:
      - error
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Authorization 请求头需要一个 Bearer 令牌。使用 MOONSHOT_API_KEY 作为令牌。这是一个服务端密钥，请在 [API 密钥页面](https://platform.kimi.com/console/api-keys) 生成。