AnthropicMessagesResponse

The response body from the Anthropic Messages API.

Class Diagram

---
title: AnthropicMessagesResponse
config:
  look: handDrawn
  theme: colorful
  class:
    hideEmptyMembersBox: true
---
classDiagram
    class AnthropicMessagesResponse {
        +string id
        +string type
        +string role
        +unknown[] content
        +string model
        +string stop_reason
        +AnthropicUsage usage
    }
    class AnthropicUsage {
        +int32 input_tokens
        +int32 output_tokens
    }
    AnthropicMessagesResponse *-- AnthropicUsage

Yaml Example

id: msg_01XFDUDYJgAACzvnptvVoYEL
model: claude-sonnet-4-20250514
stop_reason: end_turn

Properties

Name	Type	Description
id	string	Unique response identifier
type	string	Object type (always ‘message’)
role	string	The role of the response (always ‘assistant’)
content	unknown[]	Array of content blocks in the response (AnthropicTextBlock
model	string	The model that generated the response
stop_reason	string	The reason generation stopped (‘end_turn’, ‘max_tokens’, ‘stop_sequence’, ‘tool_use’)
usage	AnthropicUsage	Token usage statistics

Composed Types

The following types are composed within AnthropicMessagesResponse:

• AnthropicUsage