Connexion
A Python web framework for spec-first API development using OpenAPI/Swagger, with automatic validation and route handling.
What is Connexion?
Connexion is a Python web framework that enables spec-first and API-first development. It uses OpenAPI or Swagger specifications to automatically handle routing, request/response validation, parameter injection, and serialization, ensuring the API behaves exactly as documented. This approach separates API design from implementation, making it easier to maintain and collaborate on APIs.
Python developers building RESTful APIs who want to adopt a spec-first workflow, teams needing consistent API documentation and validation, and projects migrating from or integrating with Flask or ASGI/WSGI frameworks.
Developers choose Connexion because it guarantees API consistency with the specification, reduces boilerplate code for validation and routing, and provides built-in Swagger UI for interactive documentation. Its flexibility to work standalone or as middleware with existing applications makes it adaptable to various project needs.
Overview
Connexion is a modern Python web framework that makes spec-first and api-first development easy.
Use Cases
Best For
- Building RESTful APIs with strict OpenAPI/Swagger compliance
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