What is API

The video introduces the concept of APIs, explaining their purpose and utility through a restaurant analogy where a waiter acts as an interface between the customer and the kitchen. This analogy helps to illustrate how APIs simplify interactions by hiding complexity. The video also introduces OpenAI's APIs, which will be used in future lessons to build chatbots.

How do APIs facilitate interaction between different programs?

In what ways can APIs be useful for building chatbots?