Don't have an endpoint yet? The included LLM Simulator returns realistic Azure OpenAI / OpenAI / Anthropic / Gemini-shaped responses — including 429 throttling and streaming — so you can validate the full proxy pipeline first.
cd test/LLMSimulator && func startexport Host1="host=http://localhost:7071;probe=/api/health"Point your existing client code at the proxy unchanged — the simulator mirrors real provider URL shapes, so nothing else needs to change when you swap in a real endpoint later.
See → LLM Simulator for the full list of simulated models and error scenarios, and → Dummy Backend for an even simpler mock option.