Streaming

9 pages in this section.

How Server-Sent Events Power Claude's Streaming Responses

Understand the SSE event types Claude sends as tokens generate incrementally, and the mental model behind streaming responses from the Messages API.

Explainer Streaming Sse Messages Api

Streaming Responses Basics

Learn to implement streaming responses with the Anthropic SDK. Explore 9 examples, from basic text streaming to iterating raw events.

Basics Streaming Responses Python Messages Api

Building a Chat UI with Incremental Token Deltas

Render streamed text_delta events into a live-updating chat interface, from a terminal prototype to a backend endpoint a frontend can consume.

Streaming Chat Ui Text Delta Python

Handling Partial JSON During Streamed Tool Calls

Accumulate input_json_delta events safely before parsing a streamed tool_use input, and avoid the partial-JSON parsing mistakes that crash agentic code.

Streaming Tool Use Input Json Delta Python

Streaming Event Types Reference

Reference table for message_start, content_block_delta, message_delta, and message_stop events, their fields, and when each one fires.

Cheatsheet Streaming Event Types Python

Streaming Extended Thinking Blocks to the Frontend

Streaming Extended Thinking Thinking Delta Python

Combining Streaming with the Tool Use Loop

Streaming Tool Use Agentic Loop Python

Streaming Best Practices

Practices for buffering, error handling, and reconnecting dropped streaming connections in production Claude API code.

Best Practices Streaming Reliability Python

Streaming Highlights Summary

A single-page roundup of every highlight bullet from the 8 pages in the Streaming section, grouped by source page so you can scan all 46 takeaways without opening each article individually.

Highlights Summary Streaming Responses

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