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What are Pros and Cons of FastAPI?
FastAPI is a web framework for building APIs with Python 3.6+ based on standard Python type hints. It is designed to be fast, lightweight, and easy to use, with built-in support for features such as routing, validation, and serialization. It is also compatible with popular libraries such as Starlette and Pydantic, which allows for easy integration with other tools and frameworks. Here are some pros and cons of using FastAPI.
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High performance
It is built on top of Starlette for high performance, using asynchronous and await/async features. This makes it an ideal choice for building high-performance, scalable APIs.
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Easy Parameter Validation
It allows for easy and efficient parameter validation using Python type hints. This can help you write more robust, error-free code and reduce the need for manual input validation.
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Simple and Intuitive Interface
It is easy to use and has a simple and intuitive interface. This can help you get up and running quickly and easily, even if you're new to web development.
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WebSockets Support
It has built-in support for WebSockets, which can be useful if you're building real-time applications.
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Automatic Interactive Documentation
It comes with automatic interactive documentation using the Swagger UI and ReDoc. This can help you easily share your API with other developers and make it easy for them to understand how to use it.
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Limited community support
FastAPI is relatively new, so there may be less community support and fewer resources available as compared to more established web frameworks. This means that you may have to rely on the official documentation and examples more than you would with other frameworks.
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Limited experience with the framework
As it is relatively new, developers may lack experience working with it and this could lead to a steeper learning curve for new users
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Less compatible
Some libraries and packages may not be compatible with the latest versions of Python, as the framework is based on the latest Python features.+
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Limited number of middleware and plugins
As it is a new framework, the number of middleware and plugins available is limited as compared to more established frameworks.