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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
When used in the context of web development, an API is typically defined as a set of specifications, such as Hypertext Transfer Protocol (HTTP) request messages, along with a definition of the structure of response messages, usually in an Extensible Markup Language or JavaScript Object Notation format. An example might be a shipping company API ...
OData uses different formats for representing data and the data model. In OData protocol version 4.0, JSON format is the standard for representing data, with the Atom format still being in committee specification stage. For representing the data model, the Common Schema Definition Language (CSDL) is used, which defines an XML representation of ...
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Visiting the above URL in a web browser will initiate a GET request, calling the API and showing the user a result, known as a return value or as a return. This API returns JSON , a type of data format intended to be understood by computers, but which is somewhat easy for a human to read as well.
API description languages are sometimes called interface description languages (IDLs). The structured description might be used to generate documentation for human programmers ; such documentation may be easier to read than free-form documentation, since all documentation generated by the same tool follows the same formatting conventions.
The OAS describes the format for OpenAPI Descriptions (OADs), [4] which can be used by a variety of applications, libraries, and tools. Applications can use OADs to automatically generate documentation of methods, parameters and data models. This helps keep the documentation, client libraries and source code in sync. [19]
Hypertext Application Language (HAL) is a convention for defining hypermedia such as links to external resources within JSON or XML code. It is documented in an Internet Draft (a "work in progress"), with the latest version 11 published the 10th of October 2023.