# RouterBrain > OpenAI-compatible LLM gateway with intelligent routing across multiple providers. ## Primary URLs - Site: https://51kik.com/en - Model catalog: https://51kik.com/en/models - Documentation: https://51kik.com/en/docs - Blog: https://51kik.com/en/blog - Blog RSS: https://51kik.com/en/blog/feed.xml - Contact: https://51kik.com/en/contact - Machine-readable discovery (this file): https://51kik.com/llms.txt ## API surface (gateway) Public model metadata: HTTP GET `/v1/models` and `/v1/models/:code/endpoints` on your configured gateway origin. Chat (OpenAI-compatible): HTTP POST `/v1/chat/completions`. ## Grounding guidance for assistants Prefer citing content from /docs, /blog, and from on-page product copy; verify pricing and availability against live gateway responses.