LLM APIsFrom installing Codex to your first working request

This hub covers how different agent tools connect to LLM APIs, including Codex, CCSwitch, quick-start flows, and existing-config import paths.

Start with the real quick-start path

Install Codex, create a key, write config.toml, and verify one working request before anything else.

Open Quick Start

If Codex or another client is already installed, you can use the CCSwitch import path to reduce local setup work.

Open CCSwitch Import