The world of Web APIs is full of cryptic acronyms that can be hard to remember. Here's a cheat-sheet with some common terms used in this article and elsewhere.
XML-RPC – a protocol that formats procedure calls and results as XML documents transported over HTTP. One of the oldest Web API standards.
SOAP – Simple Object Access Protocol. A W3C standard for procedure calls and message-passing; the successor to XML-RPC.
REST – Representational State Transfer. More of a method than a standard, REST models data as Web documents with identifying URLs and uses standard HTTP requests such as GET, PUT, HEAD, DELETE and POST to manipulate them. The champion of hip API styles.
YAML – A simplified format for structured data, without the tagging overhead of XML. Recursively, “YAML Ain't a Markup Language”.
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This story, "Web API glossary of terms" was originally published by LinuxWorld-(US).