Documentation Index
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Claude Code is Anthropic’s terminal-based coding agent. It lets you search codebases, edit files across multiple projects, and run agentic workflows directly from your terminal. When you set the ANTHROPIC_BASE_URL environment variable to point to Newapi, all Claude Code requests are routed through your Newapi instance.
Features
| Category | Capability |
|---|
| Code understanding | Deep codebase analysis; automatic high-level overviews |
| Code editing | Multi-file collaborative editing; project-pattern-aware suggestions |
| Integration | Runs in the terminal; integrates with VS Code and JetBrains IDEs |
| Code generation | Generates code, creates tests, fixes bugs from concept to commit |
| Security | Changes require explicit user authorization |
| Cross-platform | Supports Windows, macOS, and Linux |
Setup
1. Install Node.js
Claude Code requires Node.js to run on Windows.
- Visit https://nodejs.org/ and download the LTS version.
- Run the
.msi installer and follow the wizard with default settings.
Verify the installation by opening PowerShell and running:node --version
npm --version
Use PowerShell instead of CMD. If you encounter permission issues, run PowerShell as administrator. Some antivirus software may flag the installer — add an exception if needed.
2. Install Git Bash
Git Bash is required to install Claude Code on Windows. After installation, you can continue using PowerShell or CMD for day-to-day use.
- Visit https://git-scm.com/downloads/win and download the installer.
- Run the
.exe file with default settings.
Verify by opening Git Bash and running:3. Install Claude Code
Open PowerShell and run:npm install -g @anthropic-ai/claude-code
~/.local/bin to your PATH, run:[Environment]::SetEnvironmentVariable('Path', ([Environment]::GetEnvironmentVariable('Path','User') + ";$HOME\.local\bin"), 'User')
iex (irm 'https://raw.githubusercontent.com/QuantumNous/new-api-docs/refs/heads/main/helper/claude-cli-setup.ps1')
ANTHROPIC_BASE_URL and ANTHROPIC_API_KEY) to your user profile.5. Start using Claude Code
Open PowerShell and launch Claude Code:To use Claude Code in a specific project:cd C:\path\to\your\project
claude
After setting ANTHROPIC_BASE_URL, all Claude Code model requests (including officially preset models) route through your Newapi instance instead of Anthropic’s servers directly.
1. Install Claude Code
Open Terminal and run:curl -fsSL https://claude.ai/install.sh | bash
echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bashrc && source ~/.bashrc
curl -fsSL https://raw.githubusercontent.com/QuantumNous/new-api-docs/refs/heads/main/helper/claude-cli-setup.sh | bash
3. Start using Claude Code
Launch Claude Code:To use Claude Code in a specific project:cd /path/to/your/project
claude
After setting ANTHROPIC_BASE_URL, all Claude Code model requests route through your Newapi instance instead of Anthropic’s servers directly.
macOS troubleshooting
If macOS security settings prevent Claude Code from running:
- Open System Preferences → Security & Privacy.
- Click Open Anyway or Allow.
- Alternatively, run
sudo spctl --master-disable in Terminal.
1. Install Claude Code
Open Terminal and run:curl -fsSL https://claude.ai/install.sh | bash
sudo curl -fsSL https://claude.ai/install.sh | bash
curl -fsSL https://raw.githubusercontent.com/QuantumNous/new-api-docs/refs/heads/main/helper/claude-cli-setup.sh | bash
.bashrc or .zshrc).3. Start using Claude Code
Launch Claude Code:To use Claude Code in a specific project:cd /path/to/your/project
claude
After setting ANTHROPIC_BASE_URL, all Claude Code model requests route through your Newapi instance instead of Anthropic’s servers directly.
Linux troubleshooting
Missing dependency librariesSome distributions require additional build tools:# Ubuntu/Debian
sudo apt install build-essential
# CentOS/RHEL
sudo dnf groupinstall "Development Tools"
- Confirm you modified the correct file (
.bashrc or .zshrc).
- Restart your terminal or run
source ~/.bashrc.
- Verify with
echo $ANTHROPIC_BASE_URL.
