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SAX (Simple API for XML) is an event-driven online algorithm for lexing and parsing XML documents, with an API developed by the XML-DEV mailing list. [1] SAX provides a mechanism for reading data from an XML document that is an alternative to that provided by the Document Object Model (DOM).
Streaming API for XML (StAX) is an application programming interface to read and write XML documents, originating from the Java programming language community. Traditionally, XML APIs are either: DOM based - the entire document is read into memory as a tree structure for random access by the calling application
XQuery Processing: Querying XML data extracted from relational databases may involve XQuery, a language designed for querying and transforming XML. One of the most common scenario involves converting relational data into XML documents [11] to facilitate standards with systems relying on XML-based standards, such as web services or APIs. This ...
XSL-FO (XSL Formatting Objects), an XML language for rendering XML documents, often used to generate PDFs. XPath (XML Path Language), a non-XML language for addressing the components (elements, attributes, and so on) of an XML document. XPath is widely used in other core-XML specifications and in programming libraries for accessing XML-encoded ...
The XML Configuration Access Protocol (XCAP) is a protocol, that allows a user to read, write, and modify application configuration data stored in XML format on a server and unlocks devices Overview [ edit ]
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.
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:
This may involve storing the data into a database or writing it out to a stream. During parsing, the parser may need to access external documents. It is possible to store a local cache for frequently used documents using an XML Catalog. This was introduced with Java 1.3 in May 2000. [3]