unkn0wncode

# Claude Code CLI Environment Variables
# This file lists all environment variables used in v2.1.81 with explanations

## Anthropic API & Authentication

ANTHROPIC_API_KEY - Primary API key for Anthropic's Claude API. Used as fallback when no OAuth token is configured
ANTHROPIC_AUTH_TOKEN - Alternative bearer token for Anthropic services. Takes priority over ANTHROPIC_API_KEY for authorization headers
ANTHROPIC_BASE_URL - Custom base URL for Anthropic API endpoints. Overrides the default api.anthropic.com endpoint
ANTHROPIC_CUSTOM_HEADERS - Custom HTTP headers for API requests. Newline-separated Key: Value pairs
ANTHROPIC_BETAS - Comma-separated list of beta feature headers to include in API requests. Appended to internal beta flags