In this episode, we cover REST, SOAP, GraphQL, gRPC and WebSocket APIs.

We also look at API principles from API First Design to Rate Limiting and OAuth.

Then we look at API Tools from Postman to Swagger and Insomnia, then to API Gateway, SoapUI and JMeter.

Then we move to some Real-World Applications of APIs in Driving Large Language Models such as Content Creation, Chatbots, Language Translation Services, Education, Sentiment Analysis, Voice Assistants, Text-to-Speech and Speech-to-Text Services.

We also look at the mathematics that underpin APIs and future trends of APIs.