Is there a standard JSON schema?

What is the latest standard on JSON Schema?

The current version is 2020-12! The previous version was 2019-09.

What is default JSON Schema?

The default key word in JSON Schema is an annotation key word. Annotation key words are used to denote information, however they have no validation requirements. Draft-7 (which is current) says this: There are no restrictions placed on the value of this keyword.

Is JSON Schema still used?

JSON Hyper-Schema is on hiatus / not currently maintained as of 2021. This allows the team to focus the little time they do donate on JSON Schema core and validation.

What is JSON Schema file extension?

json, but there is no official file extension. The official mime type however is “application/schema+json”.

What is schema in REST API?

A schema is metadata that tells us how our data is structured. Most databases implement some form of schema which enables us to reason about our data in a more structured manner. The WordPress REST API utilizes JSON Schema to handle the structuring of its data.

What is a JSON enum?

An enum in any language represents a set of possible values but in an object it only takes 1 value. In JSON is the same, you can define a set of values in a JSON Schema, but then in JSON data it takes only one of those values.

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What is the purpose of enum keyword in JSON Schema?

Enumerated values

The enum keyword is used to restrict a value to a fixed set of values. It must be an array with at least one element, where each element is unique.

What is JSON Schema additionalProperties?

JSON Schema allows for additionalProperties both a boolean or an object value. true is interpreted as “additional properties follow no restrictions”, false means “no additional restrictions”, and an object is interpreted as a JSON schema applied to the property values (the empty object is thus equivalent to true ).

Where should I put JSON Schema?

The data can be placed anywhere. From Google’s documentation: The data, enclosed within the <script type=”application/ld+json”> … </script> tags as shown in the examples below, may be placed in either the <HEAD> or <BODY> region of the page that displays that event.

Why do we use JSON Schema?

In short, the main use of JSON schema is to describe the structure and validation constraints of your JSON documents. … JSON is meant to describe hierarchical data structures in a concise way, a task in which XML is generally considered to be less appropriate than JSON due to the verbose syntax.

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