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Server-Sent Events (SSE) is a server push technology enabling a client to receive automatic updates from a server via an HTTP connection, and describes how servers can initiate data transmission towards clients once an initial client connection has been established. They are commonly used to send message updates or continuous data streams to a ...
JSGI, or JavaScript Gateway Interface, is an interface between web servers and JavaScript-based web applications and frameworks. It was inspired by the Rack for Ruby and WSGI for Python and was one of the inspirations of PSGI for Perl. Jack at the Wayback Machine (archived December 17, 2014) is a reference implementation of JSGI.
In computing, Common Gateway Interface (CGI) is an interface specification that enables web servers to execute an external program to process HTTP or HTTPS user requests. Such programs are often written in a scripting language and are commonly referred to as CGI scripts , but they may include compiled programs.
An example of a popular web API is the Astronomy Picture of the Day API operated by the American space agency NASA. It is a server-side API used to retrieve photographs of space or other images of interest to astronomers, and metadata about the images. According to the API documentation, [15] the API has one endpoint:
The WebUSB's API framework standardises disparate protocols and is able to expose non-standard Universal Serial Bus (USB) compatible devices to the web. [8] The WebUSB looks to sit between the perception layer and the network layer. [6] The main goals of software in this gateway are; Scalability, Cost and reliability.
API use can vary depending on the type of programming language involved. An API for a procedural language such as Lua could consist primarily of basic routines to execute code, manipulate data or handle errors while an API for an object-oriented language, such as Java, would provide a specification of classes and its class methods.
Socrata exposes an OData API. Microsoft Azure exposes an OData API. Oracle Analytics Cloud can connect to an OData API; SAP NetWeaver Gateway [37] provides OData access to SAP Business Suite and SAP Business Warehouse. IBM WebSphere eXtreme Scale REST data service can be accessed by any HTTP client using OData. [38]
A Web API is a development in Web services where emphasis has been moving to simpler representational state transfer (REST) based communications. [2] Restful APIs do not require XML-based Web service protocols ( SOAP and WSDL) to support their interfaces.