Welcome to Nexus

Nexus is an API for AI tools with Russian-language support, ruble billing, and straightforward setup.

What You Can Do with Nexus

• connect Claude Code;
• connect Codex;
• use OpenAI-compatible clients via chat.completions.

What You Should Know

• balances are tracked in rubles;
• the model list depends on your API key;
• if a model does not appear in GET /v1/models, it is not enabled for your key;
• during early access, API keys and balance top-ups are issued manually.

Where to Start

1. Read the service overview
2. Get a Nexus API key
3. Check authorization and base URLs
4. Set up your client: Codex, Claude Code, or CC Switch
5. Review pricing and balance