Verified80% confidenceFactTime unknown
Claude Code uses the environment variables ANTHROPIC_BASE_URL and ANTHROPIC_API_KEY to determine the API endpoint and authentication information.
12
Sources
80%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedClaude Code supports configuring a custom API endpoint (base URL) and key via environment variables, allowing requests to be redirected to any compatible interface.78% similarUnverifiedClaude Code decides the domain to which requests are sent by reading the environment variable ANTHROPIC_BASE_URL, and performs authentication through ANTHROPIC_AUTH_TOKEN.77% similar
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