MonsterAPI offers a streamlined solution for fine-tuning and deploying Large Language Models (LLMs) without the need for coding expertise. The platform simplifies the traditionally complex process by automatically configuring GPU environments, optimizing memory usage, and integrating experiment tracking, resulting in cost-effective operations. It leverages the vLLM framework for efficient model serving, enhancing performance with advanced technologies and quantization techniques. After fine-tuning an LLM with MonsterAPI, users receive adapter weights that are hosted as an API endpoint via the Monster Deploy service, allowing seamless accessibility. This no-code approach not only reduces the technical barrier for developers but also optimizes resources, making it a valuable tool for deploying LLMs across various applications.