Codex (OpenAI CLI)

Use this page

Point the client at OneProvider, keep the key in an environment variable, and verify the configured model ID. OpenAI's Codex CLI works against OneProvider via the Responses API. wire_api = "responses".

Configuration context

export OPENAI_BASE_URL="https://api.oneprovider.dev/v1"
export OPENAI_API_KEY="sk-..."