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Working with APIs · Ch 1

What Is an API? — How Software Systems Talk to Each Other

An API is how software systems talk to each other. This post explains what APIs are, how requests and responses work, and the REST, GraphQL and OData types you will encounter.

HTTP Requests and Responses — The Mental Model

Technology - Non SAP 8 min read

How the Web Works · Ch 2

HTTP Requests and Responses — The Mental Model

HTTP is the protocol behind every web page, API and SAP OData call. This post explains requests, responses, status codes and the full cycle — without the jargon.

How Servers Actually Work — The Mental Model

Technology - Non SAP 8 min read

How the Web Works · Ch 1

How Servers Actually Work — The Mental Model

What is a server and how does it work? This post explains CPU, RAM, storage, the client-server model and virtualisation — in plain English, no assumed knowledge.