How to use the Flask-API library to build an efficient Web API service

How to use the Flask-API library to build an efficient Web API service In this article, we will introduce how to use the Flask-API library to build an efficient Web API service.We will complete this process through the following steps: 1. Install Flask-API library: First, we need to install the Flask-API library.Run the following commands to install: pip install flask-api 2. Import the required modules and libraries: Before starting the web api, we need to import the required modules and libraries.We need to import the Flask-API library and other basic Python libraries.You can use the following code to import them: python from flask import Flask from flask_api import status, exceptions 3. Create a FLASK application: Use the following code to create a FLASK application: python app = Flask(__name__) 4. Define API endpoint: In this step, we will define the endpoint of the API.A API -end point is a URL that the client can access.You can use the Python decorative device to define the API endpoint.The following code fragment demonstrates how to define a simple API endpoint: python @app.route('/api/hello', methods=['GET']) def hello(): return {'message': 'Hello, World!'} 5. Processing request and response: To handle the API request and response, we need to write appropriate functions.The following code example shows how to receive the client request and return the response: python @app.route('/api/add', methods=['POST']) def add_numbers(): data = request.get_json() if 'numbers' not in data: raise exceptions.ParseError() numbers = data['numbers'] result = sum(numbers) return {'result': result} 6. Run application: Finally, we need to run the application.You can use the following code to run the application: python if __name__ == '__main__': app.run() These are the basic steps for building high-efficiency Web API services using Flask-API libraries.You can expand these examples according to your needs to build more complex and functional APIs.Of course, you can also find more details and usage about the Flask-API library in Flask's official documentation. Please note that the above code is a simple example. Some code fragments may need to be modified and adapt to according to actual needs.