# Online Serving Examples with `trtllm-serve` We provide a CLI command, `trtllm-serve`, to launch a FastAPI server compatible with OpenAI APIs, here are some client examples to query the server, you can check the source code here or refer to the [command documentation](https://nvidia.github.io/TensorRT-LLM/commands/trtllm-serve.html) and [examples](https://nvidia.github.io/TensorRT-LLM/examples/trtllm_serve_examples.html) for detailed information and usage guidelines.