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Claude Python SDK v1.0 moves to httpx2 and requires Python 3.10

UpdateVerifiedAdded Sep 22, 2026

The Python SDK v1.0 switches its HTTP layer to httpx2, an API-compatible httpx fork, requires Python 3.10 or later and removes long-deprecated surface including the legacy Text Completions API. Tracing or mocking libraries that patch httpx need httpx2.alias_httpx().

Topics: Observability, Developer tools, Regions

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