June 2026: A reimagined API Copilot to answer questions, C# v4 SDKs now support pagination, and response streaming in TypeScript

API Copilot has introduced a dedicated panel beside documentation, allowing developers to start integrations through conversational queries rather than traditional browsing, enhancing user experience by keeping references and conversations in one view. New updates in the C# v4 SDKs include enhanced pagination strategies, self-identifying API calls, and retry-safe idempotency keys for non-GET requests, along with improvements in streaming, dependency injection, and error handling. TypeScript SDKs now support streaming API responses over Server-Sent Events, enabling developers to handle streamed data with familiar async-iterable patterns without manual parsing. Additionally, Context Plugins allow loading a full API context into AI coding environments, supporting both public and private SDKs, thereby facilitating AI-assisted integration experiences. These updates aim to streamline the development process by integrating AI tools and providing comprehensive, idiomatic code samples for various programming languages.

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