ANTHROPIC_BASE_URL: What It Is and How to Set It Correctly
What ANTHROPIC_BASE_URL does, how to set it for Claude Code and the Anthropic SDK, the trailing-/messages 404 trap, how to verify with curl, and how to switch back to the official endpoint.
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What ANTHROPIC_BASE_URL does, how to set it for Claude Code and the Anthropic SDK, the trailing-/messages 404 trap, how to verify with curl, and how to switch back to the official endpoint.
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