safe, compact, and self-contained way of transmitting information between multiple parties in the form of a JSON object. Used for authorization mostly.
we are in a restaurant and order for a pizza to waiter. The waiter transferred your request to kitchen. Then the kitchen processed your request, then delivered to you. Think User and Kitchen as a application. And they are talking using api.
creating, publishing, maintaining, monitoring, and securing REST, HTTP, and WebSocket APIs at any scale. Anotherway, An API gateway is an API management tool that sits between a client and a collection of backend services. An API gateway acts as a reverse proxy to accept all application programming interface (API) calls, aggregate the various services required to fulfill them, and return the appropriate result.