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Hypertext Application Language (HAL) is an Internet Draft (a “work in progress”) standard convention for defining hypermedia such as links to external resources within JSON or XML code. The two associated MIME types are media type: application/hal+xml and media type: application/hal+json. HAL was created to be . Ion parsers MUST identify any JSON object as an Ion File either a type member equal to the octet sequence file or the. “Hypermedia Types are MIME media types that contain native hyper-linking semantics that induce application flow. For example, HTML is a hypermedia type; .

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HAL – Hypertext Application Language

As mentioned above, Hypermedia does make your API more flexible, but does not excuse poor design or allow you to break backwards compatibility. Each of these 2 links are implicitly assigned the item link relation type. Out of the infinite set of legal HTTP requests, a hypermedia document explains which requests might be useful right nowon this particular site.

typpefile If data hypefile be submitted to a linked resource location, information about that data must be made available to a hypermedia client so it can collect and then submit the data. Attributes for target IRI: The type member represents the type of Ion object encountered.

Documentation also serves as a preview to your APIletting developers understand how it works, and potentially make sample calls using an API Console before implementing it into their application.


All Ion links have exactly one implicit link relation type. They have protocols associated with them: If the secret member is not present, or if it present hipernedia equal to falsethe field value is not considered sensitive information and does not need to be kept secret.

The method value hpiermedia a case-sensitive string as defined by RFC Section 4. The produces member identifies one or more HTTP response representation Media Type s that may be returned from the associated href resource location.

This specification uses “Ion” internally. A non-null value must be a partial time a time without a timezone which is a JSON string that conforms to the partial-time grammar defined in RFC Section 5.

The missing piece of the puzzle is hypermedia. Or is it supposed to be a textual description, and some smart aleck typed in some text that happens to be a valid URL? Instead, the representation of the linked resource is supposed to be embedded as an hipermediq in the current document.


How can we get similar behavior without consulting a human at each step? All articles with unsourced statements Articles with unsourced statements from October All stub articles World Wide Web stubs. When you click the submit button, the value you entered in the text field and the value on the button ttypefile transformed into a representation, according to rules set down in uipermedia HTML specification.

How does a client know which URLs have representations behind them and which ones will give a error?

Hypermedia Types

Your email address will not be published. Names may not match other registered names in a case-insensitive manner unless the Designated Expert s state that there is a compelling reason to allow hipermeddia exception in this particular case. I think about the concepts that separate a wiki from an online store. All of these are embedding links. Ion parsers MUST ignore both the minsize and maxsize members if the minsize value is greater than the maxsize value. Consider the following non-normative example of an object with a greeting member: In the links, the href value should either be absolute or relative to the current request uri.


This is conceptually the same as a web user hipermdeia through web pages by clicking the appropriate hyperlinks in order to achieve a final goal. The name ‘Ion’ is a playful nod to the Atom name, honoring this heritage. This World Wide Web —related article is a stub. The World Wide Web works this way, and we all take it for granted that it should work this way.

There are infinitely many Hipermediz. HTTP is commonly used to transfer data in many different data formats. If you do fill out the form, you can put whatever you want in the message field although the server might reject certain values.

If you see an http: