How to Learn API Development?

Learning how to develop APIs is an important skill for modern-day developers. Here’s a mind map of what all you need to learn about API development:

1 - API Fundamentals
What is an API, types of API (REST, SOAP, GraphQL, gRPC, etc.), and API vs SDK.

2 - API Request/Response
HTTP Methods, Response Codes, and Headers.

3 - Authentication and Security
Authentication mechanisms (JWT, OAuth 2, API Keys, Basic Auth) and security strategies.

4 - API Design and Development
RESTful API principles include stateless, resource-based URL, versioning, and pagination. Also, API documentation tools like OpenAPI, Postman, Swagger.

5 - API Testing
Tools for testing APIs such as Postman, cURL, SoapUI, and so on.

6 - API Deployment and Integration
Consuming APIs in different languages like JS, Python, and Java. Also, working with 3rd party APIs like the Google Maps API and the Stripe API. Learn about API Gateways like AWS, Kong, Apigee.

Over to you: What else will you add to the list for learning API development?