The actors involved in the operation of an API can be defined:
Client , that is, the agent that makes a data request (call or API call ), and who must necessarily know the useful rules so that he can receive a response.
Server , which provides the data requested by the call.
Client and Server are generic terms that represent applications, software of different nature, devices (e.g. IoT), databases, but also front-end and back-end services .
Communication between these agents occurs through protocols implemented and defined by the Servers , accessible through specific documentation. This documentation contains all the el salvador whatsapp data information necessary for the correct operation of the APIs, including functions, arguments, classes and return types.
API development is carried out by expert programmers who are familiar with the different computer languages and protocols that can be used to create them. In the digital world we live in, these professionals are in high demand on the job market.
In addition to degrees, postgraduate degrees and master's degrees in programming and computer science, it is also very useful to follow a study path that allows you to understand, on the one hand, the needs of the user, such as a Master in UX & Customer Experience , and on the other, how the market works with an MBA .
Types of API
There are four main types of APIs and their choice depends primarily on the context in which they will be used:
Function-oriented APIs
File-oriented APIs
Protocol-oriented APIs
Object Oriented APIs
Function APIs are intended for interaction between software and hardware and, as the term suggests, they only call functions. File APIs allow multiple files to interact to query and write data, while protocol-oriented APIs allow for standardization of communication between systems , regardless of operating systems and hardware. Object-oriented APIs are among the most flexible to use.
PayPal is an example of an API that allows users to connect their financial information to their accounts, and when they make a payment, the consulted circuit does not have access to the associated banking information. Google Maps APIs offer several functions . Not only the calculation of the route between two locations, but there is a whole series of added services, such as contact information and opening hours of shops, reviews and all the other accompanying data that are, in fact, generated through APIs.
The same applies to weather apps or those that publish stock quotes on the stock exchanges. Even the numerous sites and apps that provide real-time results of football matches from more or less popular leagues use APIs.