4i.codes Documentation

Use one API key to connect to GPT, Claude, Gemini, Grok, and other leading models through OpenAI- and Anthropic-compatible APIs.

• Get started
• Review all API endpoints
• Configure terminal tools
• Check service status

What you can do

• Route requests through stable multi-provider infrastructure.
• Use standard OpenAI Responses, Chat Completions, and Anthropic Messages APIs.
• Connect Codex, Claude Code, Gemini CLI, Cherry Studio, OpenCode, and Hermes Agent.
• Review model usage and billing from the 4i.codes console.