> ## Documentation Index > Fetch the complete documentation index at: https://docs.aihubmax.com/llms.txt > Use this file to discover all available pages before exploring further. # Claude 格式 - 调用工具消息 > - 适用于所有兼容 Claude 格式模型的通用 Anthropic Messages API（含工具调用） - 工具调用：支持 Function Calling，定义模型可调用的工具 - 多模态输入：支持文本 + 图像混合输入 - 扩展思考：支持思维链推理模式 - 支持流式和非流式响应 ## OpenAPI ````yaml openapi/zh/claude-format-tool-calling-messages.json POST /v1/messages openapi: 3.1.0 info: title: Claude Format - Tool Calling Messages version: '1.0' servers: - url: https://api.aihubmax.com security: - BearerAuth: [] paths: /v1/messages: post: tags: - Text Series > Claude Format summary: Claude Format - Tool Calling Messages description: | - 适用于所有兼容 Claude 格式模型的通用 Anthropic Messages API（含工具调用） - 工具调用：支持 Function Calling，定义模型可调用的工具 - 多模态输入：支持文本 + 图像混合输入 - 扩展思考：支持思维链推理模式 - 支持流式和非流式响应 operationId: claude-format-tool-calling-messages requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/ClaudeMessagesRequest' examples: tool-calling-weather: summary: 天气查询 description: 让模型调用天气查询工具 value: model: claude-sonnet-4-6 max_tokens: 1024 messages: - role: user content: 深圳现在天气怎么样？适合去海边吗？ tools: - name: get_weather description: 获取指定城市的当前天气信息 input_schema: type: object properties: city: type: string description: 城市名称 unit: type: string enum: - celsius - fahrenheit description: 温度单位 required: - city tool-calling-search: summary: 网页搜索 description: 让模型调用搜索工具查找信息 value: model: claude-sonnet-4-6 max_tokens: 2048 messages: - role: user content: 帮我查一下最新的 React 19 有哪些新特性 tools: - name: web_search description: 在互联网上搜索最新信息 input_schema: type: object properties: query: type: string description: 搜索关键词 num_results: type: integer description: 返回结果数量 default: 5 required: - query tool-calling-multi-tools: summary: 多工具定义 description: 定义多个工具供模型选择调用 value: model: claude-sonnet-4-6 max_tokens: 2048 messages: - role: user content: 帮我看看明天北京的天气，然后在我的日历上创建一个户外跑步的日程 tools: - name: get_weather description: 获取天气预报 input_schema: type: object properties: city: type: string description: 城市名称 days: type: integer description: 预报天数（1-7） required: - city - name: create_calendar_event description: 在日历中创建事件 input_schema: type: object properties: title: type: string description: 事件标题 date: type: string description: 日期（YYYY-MM-DD） time: type: string description: 时间（HH:MM） duration_minutes: type: integer description: 持续时间（分钟） required: - title - date tool-calling-send-email: summary: 发送邮件 description: 让模型调用邮件发送工具 value: model: claude-sonnet-4-6 max_tokens: 1024 messages: - role: user content: 帮我给团队发一封邮件，通知明天下午3点开产品评审会 tools: - name: send_email description: 发送电子邮件 input_schema: type: object properties: to: type: array items: type: string description: 收件人列表 subject: type: string description: 邮件主题 body: type: string description: 邮件正文 cc: type: array items: type: string description: 抄送列表 required: - to - subject - body responses: '200': $ref: '#/components/responses/ClaudeMessagesSuccess' '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/Unauthorized' '402': $ref: '#/components/responses/PaymentRequired' '403': $ref: '#/components/responses/Forbidden' '429': $ref: '#/components/responses/TooManyRequests' '500': $ref: '#/components/responses/InternalServerError' components: schemas: ClaudeMessagesRequest: type: object required: - model - messages - max_tokens properties: model: type: string description: 模型名称，如 claude-sonnet-4-6 example: claude-sonnet-4-6 messages: type: array description: 对话消息列表 items: type: object required: - role - content properties: role: type: string description: 消息发送者的角色 enum: - user - assistant content: type: string description: 消息内容 max_tokens: type: integer description: 最大生成token数（必填） system: oneOf: - type: string description: 系统提示词（文本形式） - type: array description: 系统提示词（结构化形式） items: type: object properties: type: type: string enum: - text text: type: string description: 系统提示词 temperature: type: number description: 采样温度 (0-1) minimum: 0 maximum: 1 top_p: type: number description: 核采样参数 (0-1) minimum: 0 maximum: 1 top_k: type: integer description: Top-K 采样参数 stream: type: boolean description: 是否流式返回响应 default: false stop_sequences: type: array description: 停止序列 items: type: string tools: type: array description: 可用工具列表 items: type: object properties: name: type: string description: 工具名称 description: type: string description: 工具描述 input_schema: type: object description: 工具输入参数的 JSON Schema tool_choice: type: object description: 工具选择策略 properties: type: type: string description: 工具选择类型 enum: - auto - any - tool name: type: string description: 指定工具名称（当 type 为 tool 时） metadata: type: object description: 请求元数据 properties: user_id: type: string description: 用户标识符 ClaudeMessagesResponse: type: object properties: id: type: string description: 唯一消息ID example: msg_abc123 type: type: string description: 对象类型 enum: - message role: type: string description: 角色 enum: - assistant content: type: array description: 内容块列表 items: type: object properties: type: type: string enum: - text text: type: string example: Hello! How can I help you today? model: type: string description: 使用的模型 stop_reason: type: string description: 生成停止原因 enum: - end_turn - max_tokens - stop_sequence - tool_use example: end_turn usage: type: object description: 用量统计 properties: input_tokens: type: integer description: 输入token数 example: 25 output_tokens: type: integer description: 输出token数 example: 150 ErrorResponse400: type: object properties: error: type: object properties: message: type: string example: 请求参数无效 type: type: string example: invalid_request_error ErrorResponse401: type: object properties: error: type: object properties: message: type: string example: API密钥无效 type: type: string example: authentication_error ErrorResponse403: type: object properties: error: type: object properties: message: type: string example: 访问被拒绝 type: type: string example: permission_error ErrorResponse429: type: object properties: error: type: object properties: message: type: string example: 请求频率超限 type: type: string example: rate_limit_error ErrorResponse500: type: object properties: error: type: object properties: message: type: string example: 服务器内部错误 type: type: string example: server_error responses: ClaudeMessagesSuccess: description: Claude Messages API 响应 content: application/json: schema: $ref: '#/components/schemas/ClaudeMessagesResponse' BadRequest: description: 请求错误 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse400' Unauthorized: description: 未授权 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse401' PaymentRequired: description: 余额不足 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse400' Forbidden: description: 禁止访问 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse403' TooManyRequests: description: 请求过多 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse429' InternalServerError: description: 服务器内部错误 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse500' securitySchemes: BearerAuth: type: http scheme: bearer description: | ## 所有接口均需要使用Bearer Token进行认证 ## 使用时在请求头中添加： `Authorization: Bearer YOUR_API_KEY` ````