Tools/Codex CLI

Codex CLI

Configure Void API as a custom Responses API provider.

developers.openai.com/codex·Official setup docs

MODEL_ID is a placeholder. Choose a model from the catalog that supports this tool's endpoint and features.

1. API key

   Store your key in an environment variable.

   Linux / macOSWindows PowerShell

   Copy

   export VOID_API_KEY='void_your_key'

   Run in Bash or Zsh. Sets the values for this terminal only. To keep them for future sessions, also add these commands to ~/.bashrc or ~/.zshrc.

2. Configuration

   Add the provider to ~/.codex/config.toml.

   ~/.codex/config.tomlCopy

   model = "MODEL_ID"
   model_provider = "void-api"
   
   [model_providers.void-api]
   name = "Void API"
   base_url = "https://void-api.tech/v1"
   env_key = "VOID_API_KEY"
   wire_api = "responses"

3. Run

   Start Codex with an available model.

   shellCopy

   codex --model 'MODEL_ID'

Create a key in your account; model IDs are in the catalog.