FastAPI is a modern, high-performance web framework designed for building APIs with Python 3.6 and above. It leverages standard Python type hints to enhance code clarity and efficiency. FastAPI is known for its exceptional speed, comparable to frameworks like NodeJS and Go, making it one of the fastest options available for Python developers. The framework significantly accelerates the development process, increasing feature implementation speed by 200% to 300% while reducing human errors by approximately 40%. With its intuitive design and excellent editor support, FastAPI is both easy to learn and ready for production use, making it a popular choice among developers.