Codex Setup

Windows

System requirements

• Windows 10 or 11
• Node.js 22+
• npm 10+
• Network access

Install

Prerequisites Install Git Bash from Git - Downloads for your OS and click Next until finished.

1. Install Node.js Visit nodejs.org and install the latest LTS.

2. Install Codex In CMD or PowerShell:

npm install -g @openai/codex

3. Verify

codex --version

Configure API

1. Get an Auth Token

On 在线文档:

• Open Console → API Tokens
• Click Add token
• Group: Codex exclusive (required)
• Name: anything
• Quota: unlimited
• Other options: defaults

2. Config files

Important: Replace sk-xxx below with your real API key from api.digislash.com!

1. Open .codex under your user profile, e.g. C:\Users\testuser\.codex. (Note: enable Show hidden items in File Explorer if needed.)
2. If .codex is missing, create it, then create config.toml and auth.json.
3. Fill in the config (replace sk-xxx with your real SK). a. auth.json: {"OPENAI_API_KEY": "sk-xxx"} b. config.toml (model_reasoning_effort = high / medium / low): model_provider = "api111" model = "gpt-5-codex" model_reasoning_effort = "high" disable_response_storage = true preferred_auth_method = "apikey" [model_providers.api111] name = "api111" base_url = "https://api.digislash.com/v1" wire_api = "responses" requires_openai_auth = true

Start Codex

Restart the terminal, then:

cd your-project-folder

codex

VS Code extension

Search and install codex in the VS Code marketplace.

It appears in the sidebar after install.

macOS

System requirements

• macOS 12+
• Node.js 22+
• npm 10+
• Network access

Install

1. Install Node.js

• Option A: Download LTS from nodejs.org
• Option B: Homebrew (recommended) /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" brew install node

2. Install Codex In Terminal (may need sudo):

npm install -g @openai/codex

3. Verify

codex --version

Configure API

1. Get an Auth Token On 在线文档:

• Open Console → API Tokens
• Click Add token
• Group: Codex special (required)
• Name: anything
• Quota: unlimited
• Other options: defaults

2. Config files

Important: Replace sk-xxx with your real API key from api.digislash.com!

1. Create files: mkdir -p ~/.codex touch ~/.codex/auth.json touch ~/.codex/config.toml
2. Edit auth.json: vi ~/.codex/auth.json Press i, paste (replace sk-xxx), then ESC, :wq, Enter. {"OPENAI_API_KEY": "sk-xxx"}
3. Edit config.toml: vi ~/.codex/config.toml Press i, paste, then ESC, :wq, Enter. model_provider = "api111" model = "gpt-5-codex" model_reasoning_effort = "high" disable_response_storage = true preferred_auth_method = "apikey" [model_providers.api111] name = "api111" base_url = "https://api.digislash.com/v1" wire_api = "responses" requires_openai_auth = true

Start Codex

Restart the terminal, then:

cd your-project-folder

codex

VS Code extension

Search and install codex in the VS Code marketplace. It appears in the sidebar after install.

Linux

System requirements

• Common distros (Ubuntu 20.04+, Debian 10+, CentOS 7+, etc.)
• Node.js 22+
• npm 10+
• Network access

Install

1. Install Node.js

• Ubuntu/Debian sudo apt update curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash - sudo apt-get install -y nodejs
• CentOS/RHEL/Fedora sudo dnf install nodejs npm # or sudo yum install nodejs npm
• Arch Linux sudo pacman -S nodejs npm

2. Install Codex

sudo npm install -g @openai/codex

3. Verify

codex --version

Configure API

1. Get an Auth Token On 在线文档:

• Open Console → API Tokens
• Click Add token
• Group: codex channel-gpt (required)
• Name: anything
• Quota: unlimited
• Other options: defaults

2. Config files

Important: Replace sk-xxx with your real API key from api.digislash.com!

1. Create files: mkdir -p ~/.codex touch ~/.codex/auth.json touch ~/.codex/config.toml
2. Edit auth.json: vi ~/.codex/auth.json Press i, paste (replace sk-xxx), then ESC, :wq, Enter. {"OPENAI_API_KEY": "sk-xxx"}
3. Edit config.toml: vi ~/.codex/config.toml Press i, paste, then ESC, :wq, Enter. model_provider = "api111" model = "gpt-5-codex" model_reasoning_effort = "high" disable_response_storage = true preferred_auth_method = "apikey" [model_providers.api111] name = "api111" base_url = "https://api.digislash.com/v1" wire_api = "responses" requires_openai_auth = true

Start Codex

Restart the terminal, then:

cd your-project-folder

codex

VS Code extension

Search and install codex in the VS Code marketplace.

It appears in the sidebar after install.

FAQ

If you hit errors, check:

1. API Key: unlimited quota, no model limits, group codex channel-gpt.

See the official Codex docs for more configuration details.