# OmniRouter > OmniRouter provides one `omni_*` API key for OpenAI-compatible and Anthropic-compatible AI clients. Public access uses an Omni Credits balance, topped up in rubles. Personal provider subscriptions and API keys cannot be linked. ## Start here - [Getting started](https://omnirouter.ru/docs/getting-started/): registration, connection, and first request - [API reference](https://omnirouter.ru/docs/api-reference/): public endpoints, authentication, errors, and compatibility - [OpenAPI specification](https://omnirouter.ru/openapi.json): machine-readable public API contract - [Agent skill](https://omnirouter.ru/skills/omni/SKILL.md): installable agent instructions with when-to-use guidance - [Agent skill guide](https://omnirouter.ru/docs/agent-skill/): human-readable installation guide ## Models and pricing - [Live model catalog and pricing](https://omnirouter.ru/pricing.md): machine-readable model IDs, capabilities, context sizes, and retail Credits prices - [Browsable model catalog](https://omnirouter.ru/models/): filters, request-cost calculator, and per-model pages - [Balance and access](https://omnirouter.ru/#pricing): Omni Credits for chat, clients, and API - [Deprecated models](https://omnirouter.ru/models/ustarevshie/): models that are no longer callable ## Client setup - [Claude Code setup](https://omnirouter.ru/docs/claude-code/) - [Codex setup](https://omnirouter.ru/docs/codex/) - [MCP setup](https://omnirouter.ru/docs/mcp/) - [Billing](https://omnirouter.ru/docs/billing/) - [Security and token permissions](https://omnirouter.ru/docs/security/) ## Trust and support - [About OmniRouter](https://omnirouter.ru/about/) - [Contact](https://omnirouter.ru/contact/): support email and authenticated support form - [Service status](https://omnirouter.ru/status/) - [Privacy policy](https://omnirouter.ru/privacy/) - [Terms of use](https://omnirouter.ru/terms/) The public API origin is https://api.omnirouter.ru. An OmniRouter token grants model discovery and inference access only; it never grants dashboard, filesystem, terminal, repository, coding-agent session, or environment access.