API Led connectivity is a way to connection applications through reusable API’s. The API’s used in API Led approach to connectivity fall into three categories: Experience API’s are exposed to end user which will accept the data from end user and process the data using API Led approach. Process API’s are process the business logic and validate the file formats and other tasks. These are reusable API’s across organization. System API’s are carry out system level processes such as validating the content and processing them to database and salesforce , etc.,