{"service":"Candent LLM Router","status":"ok","docs":"OpenAI-compatible API. Use your router API key as a Bearer token.","endpoints":{"GET /healthz":"health check (no auth)","GET /v1/models":"available models","POST /v1/chat/completions":"OpenAI-compatible completion (BYOK required)","POST /v1/route":"routing decision only (no upstream call)","GET /v1/usage":"usage for your key","PUT /v1/upstream-keys":"store your own vendor keys (BYOK)"}}