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Setting Environment Variables for Claude Code in Windows

powershell
$env:ANTHROPIC_BASE_URL = "https://claude.ctok.ai/api/"
$env:ANTHROPIC_AUTH_TOKEN = "your-key"

Method 2: Command Prompt (CMD)

cmd
set ANTHROPIC_BASE_URL=https://claude.ctok.ai/api/
set ANTHROPIC_AUTH_TOKEN=your-key

Method 3: Permanent Setup (Using setx command)

cmd
setx ANTHROPIC_BASE_URL "https://claude.ctok.ai/api/"
setx ANTHROPIC_AUTH_TOKEN "your-key"

Method 4: Graphical Interface Setup

  1. Right-click "This PC" → "Properties"
  2. Click "Advanced system settings"
  3. Click "Environment Variables"
  4. Click "New" in "User variables" or "System variables"
  5. Add the two variables separately

Verify Your Setup

After setup, you can verify with the following commands:

PowerShell:

powershell
echo $env:ANTHROPIC_BASE_URL
echo $env:ANTHROPIC_AUTH_TOKEN

CMD:

cmd
echo %ANTHROPIC_BASE_URL%
echo %ANTHROPIC_AUTH_TOKEN%

Note:

  • Methods 1 and 2 are only valid for the current session
  • Methods 3 and 4 will save permanently
  • After using setx, you need to reopen the command line window for changes to take effect