In this blog, I am going to Explain What is API and How it works in All Programming Language. So, API means Application Programming Interface (API) through this We can access and it allows us to communicate with one another applications. API uses All programming Languages to connect one website to another. An API is like a messenger that delivers your request and data to the provider that you’re sending it from one to another. But An API is not a database. It is an access point to an app that can access a database. Many companies use it as when you book a ticket from third party application Make My trip to a hotel, railway, restaurant then you can do anything book from one application it works from API.