Web APIs In computer programming, an application programming interface (API) is a set of subroutine definitions, protocols, and tools for building application software.

application programming interface (API) In general terms, it is a set of clearly defined methods of communication between various software components. A good API makes it easier to develop a computer program by providing all the building blocks, which are then put together by the programmer. An API may be for a web-based system, operating system, database system, computer hardware or software library.

REpresentational State Transfer (REST) is an architectural style that defines a set of constraints and properties based on HTTP. GET PUT PATCH POST DELETE List the details of an entity or collection. Retrieve a representation of an entity Replace an entity or an entire collection If entity or collection does not exist, create it. Update an entity in a collection. Create a new entity or collection. Delete a entity or a collection

In computer programming, create, read, update, and delete (as an acronym CRUD) are the four basic functions of persistent storage. Operation SQL HTTP DDS Create INSERT PUT / POST write Read (Retrieve) SELECT GET read / take Update (Modify) UPDATE PUT / POST / PATCH Delete (Destroy) DELETE dispose