How to Build a REST API with Python and Flask (Step-by-Step)

📰 Dev.to · Ayaz

Learn to build a REST API with Python and Flask in a step-by-step guide, enhancing your backend development skills

intermediate Published 21 Mar 2026
Action Steps
  1. Install Flask using pip with the command 'pip install flask'
  2. Create a new Flask application with 'app = Flask(__name__)'
  3. Define routes for your API using '@app.route()' decorator
  4. Handle HTTP requests and responses using 'request' and 'response' objects
  5. Test your API using tools like Postman or curl
Who Needs to Know This

Backend developers and software engineers can benefit from this tutorial to create RESTful APIs for their applications, improving their team's ability to integrate and manage data

Key Insight

💡 Flask is a lightweight Python framework ideal for building REST APIs

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Full Article

Introduction If you've been writing Python for a while, you've probably heard the term "REST API"...
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