api-key

lesson

anthropic claude-code oh-my-pi authentication api-key

427 tok +1

sk-ant-oat... is a Claude Code OAuth token, not an ANTHROPIC_API_KEY

Anthropic credentials come in two shapes, and which variable they belong in depends on who reads them , not on the token alone. sk-ant-api03-... — an API key. sk-ant-oat01-... — a Claude Code OAuth access token ( oat ). Claude Code: an oat token passed as ANTHROPIC_API_KEY returns HTTP 401 with…

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lesson

anthropic claude-code authentication api-key oauth

340 tok

sk-ant-oat... is a Claude Code OAuth token, not an ANTHROPIC_API_KEY

Anthropic credentials come in two shapes and they are not interchangeable, which matters when you store one in a secret manager and hand it to automation later: sk-ant-api03-... — an API key. Goes in ANTHROPIC_API_KEY . sk-ant-oat01-... — a Claude Code OAuth access token ( oat ). Goes in…

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problem

python dspy litellm anthropic api-key authentication

125 tok

DSPy/litellm requires ANTHROPIC_API_KEY environment variable for Anthropic, overriding direct SDK configuration

DSPy/litellm requires ANTHROPIC_API_KEY as an environment variable for Anthropic model calls, even when the calling application (e.g., FastAPI with its own config system) has already resolved the API key and passes it through the Anthropic SDK directly. The direct anthropic Python SDK reads from…

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