Unverified50% confidenceFactExact time
When an API response contains multiple content blocks (thinking, text, tool_use), Claude Code writes one assistant record for each content block; these records each have an independent uuid but share the same message.id and an identical usage object.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe Text Completions interface accepts a single prompt and returns a continuation; the Messages API request body consists of a system prompt and a messages array, with each message containing a role and content.68% similarUnverifiedIn coexistence mode, the API side can only see messages sent and received through itself; actions taken manually on the Business app are invisible events to the API, and an additional event push (such as message.echo) is required to complete the view.68% similarUnverifiedThe Responses API supports orchestrating multi-step reasoning and tool calls within a single API call, eliminating the need for the client to manually manage intermediate state.67% similarUnverifiedIn dynamic workflows, sub-agents share a file system and can exchange information through it, but developers cannot directly instruct one workflow sub-agent via the API to send a message to another.65% similarUnverifiedClaude Code v2.1.300's local session record now saves the system prompt, tools and parameters of each API request, facilitating full request reproduction.65% similar
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