Codex Setup

Install CLI

npm i -g @openai/codex@latest

Configure

Windows - Press Win + R, enter %userprofile%\.codex

macOS - Finder Cmd + Shift + G, enter ~/.codex

Create config.toml:

model_provider = "hoxkai"
model = "gpt-5.1-codex"

[model_providers.hoxkai]
name = "hoxkai"
base_url = "https://api.hoxkai.top/v1"
wire_api = "responses"
requires_openai_auth = true

Create auth.json:

{
  "OPENAI_API_KEY": "your-token"
}

Verify

codex

Can chat = success.