Building a Node.js service using the API-first approach
Nowadays technology companies are adopting the API as one of the most valuable pieces of their business.
What does it mean when we talk about API-first development? We already know the benefits of using an API-first approach:
- Reduced interdependencies
- Earlier validation
- Early feedback with the freedom to change
- Improved efficiency
This article describes what it means to use the API-first design approach. It also walks through an example of using this approach with the OpenAPI Specification and with oas-tools as the Node.js back-end application, which enables you to care only about the business logic. All the validation of incoming requests are done by the oas-tools library (based on the OpenAPI Specification file provided).
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