Browse Schema. Also from my read of the specification each JSON-Schema contains the definition for at most one document - not the multiple types / documents that can be contained in XML-Schema. In order to use json-schema for validation, every JSON data document and every JSON schema document requires a top-level 'document' object (referred to as a header) that describes the type of document ('schema' or 'instance') and allows the correct schema to be matched with a given data document. For implementations supporting only draft-04 or older, see the Obsolete Implementations page. The template consists of JSON and expressions that you can use to construct values for your deployment. The beauty of the JSON Schema assertion is that the schema can be as simple or complex, as thorough or as sparse, as you need. This documentation describes the resources that make up the API. 1) The Text Analytics API is a suite of text analytics web services built with best-in-class Microsoft machine learning algorithms. Documentation licensed under CC BY 3. Say we want our validation to always use the JSON schema version 4:. Optionally, a user can apply a schema to a JSON dataset when creating the table using jsonFile and jsonRDD. 0","info":{"description":"This is an online swagger codegen server. To retrieve contacts of contacts you will need a separate operation and each contact owner's permission. Web API provides media-type formatters for both JSON and XML. Why JSON? We believe that the strengths of the JSON format makes it a good fit for resumes. Enhanced Presentation in Search Results By including structured data appropriate to your content, your site can enhance its search results and. Both JSON and XML are "self describing" (human readable) Both JSON and XML are hierarchical (values within values) Both JSON and XML can be parsed and used by lots of programming languages; Both JSON and XML can be fetched with an XMLHttpRequest. Learn how to read / write REST API data in Talend Open Studio. SoapUI, is the world leading Open Source Functional Testing tool for API Testing. Object Model. JSON Schema to JSON Converter: It generates a sample JSON from JSON Schema (Pattern is not implemented yet). 1 schema by February 1st, 2015. As a data format, JSON has the advantages of being lightweight and readable. We can also convert any JSON received from the server into JavaScript objects. However, JSON files are more restrictive and therefore slightly more readable. JSON Schema validator for java, based on the org. To create new alerts or modify them you need to update the dashboard json that contains the alerts. Some other samples can be found in the jackson doc’s (go on a given example and. Overall Structure. The Web Thing API provides a web services based programming interface with a RESTful design for applications to access the properties of devices, request the execution of actions and access a list of events representing a change in state. Lets say you want to consume the following JSON object via an API:. Ultimately, WP-API represents a fundamentally important shift in how the world works with WordPress. JSON is text, and we can convert any JavaScript object into JSON, and send JSON to the server. Our API endpoint is always online and ready to serve as your application's mock backend. Our goal is to write a graphical JSON editor based on a given schema. By Peter Vogel; 02/13/2018. Now, to validation. Not a member of Pastebin yet? Sign Up, it unlocks many cool features!. This efficiency is achieved without compromising readability, flexibility, or discoverability. It supports functional tests, security tests, and virtualization. STEP 2: Define the JSON schema (Swagger. Validate a Response. Despite the use of JSON – and great frameworks like JSON. It supports all the advanced features, including choices and polymorphism. Some other samples can be found in the jackson doc’s (go on a given example and. It is used by all operations in JSON Patch to specify the part of the document to operate on. JSON Schema specifies a JSON-based format to define the structure of JSON data for validation, documentation, and interaction control. Simply include a JSON-LD file in your page instead of enriching the DOM: it’s a matter of minutes before being SEO Ready. At the same time, most existing enterprise back-end systems provide a SOAP-based web service application programming interface (API) or proprietary file-based interfaces. I wanted to help make my work be as ready for the future of the API specification and wanted to see if there was a JSON Schema for version 3. The solution to that problem is to include all the main and referenced schemas in your application. Use JSON Schema in your API Description in Apiary. I wanted to help make my work be as ready for the future of the API specification and wanted to see if there was a JSON Schema for version 3. The post function takes a json argument, whose value here is a Python dictionary (task). Say we want our validation to always use the JSON schema version 4:. It supports JSON Schema draft-07; JSON to JSON Schema Converter: It generates a JSON Schema from JSON. json_populate_recordset(base anyelement, from_json json, [, use_json_as_text bool=false] SETOF anyelement Expands the outermost set of objects in from_json to a set whose columns match the record type defined by base. The Text Analytics API is a suite of text analytics web services built with best-in-class Microsoft machine learning algorithms. This is an equally important part of the validation process. At the most basic level, the JSON Web Key Set (JWKS) is a set of keys containing the public keys that should be used to verify any JSON Web Token (JWT) issued by the authorization server. For example, it can be that the values of property_a and property_d change in one response, and those of property_a, property_b, and property_c in the. Then, continue viewing and editing the JSON data in text or tree view as described below. Choose an example, or create your own, and check out the generated form. The JSON Schema Compliance assertion verifies that the last response is compliant with the associated JSON schema definition. Share with LinkedIn) require you to send data in a particular format as part of the API call. The JSON schema provided for the "edit issue API" contains a URL associated with the key "id". An API schema configuration defines how to validate JSON, XML, WSDL, or SOAP messages for an API path or an API operation. Scroll down for code samples, example requests and responses. json to set up apps on Heroku. This means you can use the different fields you defined in the schema throughout the rest of your workflow as dynamic content. Size appears at the top right of the field with the generated data. If you use the `POST /login` API, ML Server will issue you a bearer/access token. Nested fields let you query for and receive only the data you specify in a single round trip. The JSON object contains methods for parsing JavaScript Object Notation and converting values to JSON. This online tool allows you to convert an XML file into a JSON file. By default, we produce minified JSON. Postgres Schema Design. The best way to learn more about JSON Schemas is to visit Understanding JSON Schema. JSON Schema Validation Settings 4. JSON Schema Validator. Validating JSON using JSON schema. For more details on JSON, see http://www. Toggle navigation jsonapi-rb. Accessibility of JSON schemas. Currently initiating JSON schema validation using restAssured. In order to use json-schema for validation, every JSON data document and every JSON schema document requires a top-level 'document' object (referred to as a header) that describes the type of document ('schema' or 'instance') and allows the correct schema to be matched with a given data document. are defined in this specification. The Json Schema organisation (replacing the old "json-schema" account) - JSON Schema json validation json-schema api-documentation Makefile 138 1,492 74 3 Updated. The file describes the endpoint, parameters and returned JSON format for a web API. JSON is becoming the default when. JSON Schema validator for java, based on the org. The Postgres database is rich with features well beyond that of any other database. Validate a Response. This data interchange can happen between two computers applications at different geographical locations or running within same hardware machine. The IDL might either specify its own format or use an existing data description format. It can take a long time to create these C# classes correctly, and often time I’d take a lazy approach and either use the JObject or an IDictionary such. Validating JSON using JSON schema. This document also defines a set of keywords that can be used to specify validations for a JSON API. In this tutorial we will learn How to Automate REST API Schema Validation testing using Postman. Stefan Goessner. The Schema Generator. Authentication. The Schema section further explores this large topic. org/draft-04/schema#", "id": "https://schema. Which means that if your language is JSON-based, it sucks to be you, because JSON Schema is a big fat pool of pain. This is the basic array schema: { "type": "array" } This schema specifyies arrays and no other JSON. API v2 - Explanation and valid values for some fields on Tenant and User entities. This is also the. Second, if you have no idea what JSON is or what it looks like, check out this page. Is there any way to do it programatically? Or does API Connect exposes an API which we can use to validate the schema. Storing data through the Parse REST API is built around a JSON encoding of the object’s data. [No Coding] Learn JSON & JSON Schema in a Quick 30-40 minutes & use it for the rest of your life for complex projects 3. Here's an excerpt from the schema that describes the BrowserWindow class:. JSON Schema is used to validate the structure and data types of a piece of JSON, similar to XML Schema for XML. Changed portions are displayed in yellow. You simply set whatever key-value pairs you want, and the backend will store it. We've recently gone on record indicating our commitment to using JSON Schema as the format for describing our API's, then even further by releasing a set of tools to improve the process of building and working with schema-based HTTP API's. To create new alerts or modify them you need to update the dashboard json that contains the alerts. The Datadog y-axis controls allow you to: Clip the y-axis to specific ranges. JSON is very simple, human-readable and easy to use format. To get started with JSON:API, check out documentation for the base specification. The WordPress REST API utilizes this system for describing the request and response formats for each endpoint. JSON (JavaScript Object Notation) is most widely used data format for data interchange on the web. JSON Schema and REST API documentation for X. Should we trust the request payload JSON or the schema definition in this case? Regards Naresh. JSON Schema is a standard (currently in draft) which provides a coherent schema by which to validate a JSON "item" against. JSONBuddy - A better way to edit and create JSON and JSON schema. The need for validation of JSON payload structures is an essential component of perimeter threat protection for JSON capable environments. Traditionally, JSON-Schema is used to validate inputs to HTTP endpoints, but validation of a JSON file is one of several valid use cases. JSON Schema# Kazoo uses JSON Schemas to validate incoming data from clients. json#", "$schema": "http://json-schema. Flask (import_name, static_url_path=None, static_folder='static', static_host=None, host_matching=False, subdomain_matching=False. JSON, short for JavaScript Object Notation, is a lightweight computer data interchange format. OData CSDL JSON is a full representation of the OData Common Schema Definition Language in the JavaScript Object Notation (JSON) defined in. Next post will be about API specifications like HAL, JSON:API and JSON Schema’s hyper-media. There are several ways for you to save the generated JSON to your local computer. Federal CFO-Act agencies are expected to complete the transition to the v1. JSON Schema provides a contract for what JSON data is required for a given application and how to interact with it. json), the version of the API (e. ISO 20022 and JSON: An Implementation Best Practices Whitepaper ISO 20022 and JSON: An Implementation Best Practices Whitepaper By members of the ISO 20022 Registration Management Group and the Technical Support Group Approved for publication by the ISO 20022 RMG 29 January, 2018. The API allows two output modes for all calls: JSON or XML. Read more: json. See Import; headers JSON array defining any HTTP Headers that the service understands or expects. Schema and metadata JSON Schema. It is supremely useful in documenting requests made to and responses from any JSON API. The schema. Use Cloudflare's APIs and edge network to build secure, ultra-fast applications. Alerting API. It is supremely useful in documenting requests made to and responses from any JSON API. Documentation licensed under CC BY 3. Extensions. An API schema configuration defines how to validate JSON, XML, WSDL, or SOAP messages for an API path or an API operation. conversion is causing problems. Despite the use of JSON - and great frameworks like JSON. Very simple. A server-side REST wrapper # The client-side REST API wrapper demonstrated above should help you get up and running quickly so that you can try out a Relay version of your app (or part of your app). 1 Reference About SonicOS API 7 Supported HTTP MIME Types SonicOS supports these HTTP MIME types: • Text/plain • Application/JSON. ) with a minimum of HTTP requests. It is also defined in JSON Schema format and allows you to reference the global schema when required by using the JSON Schema extends property. SoapUI recipe - Validate REST responses against a JSON schema Published on February 24, Automating your API with JSON Schema. Spark SQL is a Spark module for structured data processing. Hi, I'm coming back to the API world, and I'm trying to understand why the validation in the proxy/middleware itself. It is supremely useful in documenting requests made to and responses from any JSON API. No authentication is required to use the icanhazdadjoke. We’ve recently gone on record indicating our commitment to using JSON Schema as the format for describing our API’s, then even further by releasing a set of tools to improve the process of building and working with schema-based HTTP API’s. Your SQL Schema Is Your JSON API With PostgREST API postgresql PostgREST Free 30 Day Trial As front end devs continue to push for simpler data access tooling, a class of API servers is emerging. The API client now has this JSON Schema file locally, and if the server changes… how does it know? This sample code storing the schema in the repo along with the source code, which — generally speaking — is a pretty bad idea, only done for simplicity of the example. Schema namespace. To retrieve contacts of contacts you will need a separate operation and each contact owner's permission. Since JSON schema is defined in form of a JSON schema we can also use the editor to edit the schema itself. First of all, we want to ensure that the document we are validating is an array using the type restriction. In this example, we set a user variable @schema to the value of a a JSON schema for geographical coordinates, and another one @document to the value of a JSON document containing one such coordinate. This efficiency is achieved without compromising readability, flexibility, or discoverability. It supports JSON Schema draft-07; JSON to JSON Schema Converter: It generates a JSON Schema from JSON. The number of updates may vary from one response to another. A default HTTP [[!HTTP11]] protocol binding is defined here. In this page you can convert an xml to json and viceversa. HitBTC REST & Streaming API version 2. The property name naming rules do not apply when a JSON object is used as a map. The JSON:API community has created a collection of extensions that APIs can use to provide clients with information or functionality beyond that described in the base JSON:API specification. JSON is always returned from the API, including errors. The Schema section further explores this large topic. I kept it simple. JSON Schema is hypermedia ready, and ideal for annotating your existing JSON-based HTTP API. WP REST API. JSON Schema Generator - automatically generate JSON schema from JSON. Clear, human- and machine-readable documentation. Within minutes, I was able to 1) convert my exisiting JSON schema to a RAML data type using ramldt2jsonschema, 2) start spec'ing-out my API using that generated RAML type as a base and 3) get a. NET supports the JSON Schema standard via the JsonSchema and JsonValidatingReader classes. JSON API is a specification written by a group of folks, with the goal of being an anti-bikeshedding tool for writing JSON APIs. Every PHP class that can appear in your JSON API documents must have a Schema class. So instead of XML, HTTP POST parameters, or other serialization formats, most POST and PATCH requests require a valid JSON object for the body. There are two programming models for JSON processing, such as XML (DOM and SAX). YAML is a superset of JSON. Deletions are displayed in red. This document details the protocol interface between the Alexa service and the web service or Lambda function you create. Write your tests such that they conform to the JSON schema. — Heroku, [JSON Schema for the Heroku Platform API][cite] API schemas are a useful tool that allow for a range of use cases, including generating reference documentation, or driving dynamic client libraries that can interact with your API. Once it is in an XML format, it should (in theory at least) conform to the schema definition generated by the BizTalk JSON Schema Wizard. JSON Schema. Currently, the only serialization format supported is JSON and the only version of the API is v1. The schemas can be nested, contain lists, custom formats, etc. 6, MongoDB supports the JSON Schema Validator. No matter how convenient the iterator api is, iterator is still just iterator. This document details the protocol interface between the Alexa service and the web service or Lambda function you create. JSON Webservices GeoNames offers most webservices in XML and JSON format. Overall the code for FAQ schema is super easy to create; you just need to ensure the copy is the exact same as it appears on the webpage. Text Analytics API (v2. The JSON API contains a list of JSON Schema files for known JSON file formats. When a JSON editor supports schemas, tooltips can help inform the user about the various properties and values. ABOUT HitBTC API. See Extensions and Omissions for details. Binding JSON to structured object gives the schema info to the parser. The JSON support shipped with VS Code supports JSON Schema Draft 7. We don't have this available in JSON format, only listed out as a table under the heading structure. The number of updates may vary from one response to another. Let's see if we can use OPENJSON to grab publically available data from the thousands of JSON formatted API's across the internet. 0 of the API specification. The following is a sample response from the SendGrid API. callback (optional) - function(err, schema) A callback that will receive the bundled schema object. Sign In / Register. 0 syntax, API, framing, and errata, the W3C Community Group JSON-LD 1. Automating your API with JSON Schema Tweet. I'm not expecting you to implement it - especially if you're not creating JSON Schemas for a web API - but it's great example of a JSON based standard, and well worth the time to look at. It supports multiple protocols such as SOAP, REST, HTTP, JMS, AMF and JDBC. This is the basic array schema: { "type": "array" } This schema specifyies arrays and no other JSON. This document also defines a set of keywords that can be used to specify validations for a JSON API. How jsonschema2pojo maps format values to Java types:. json) under Model Definitions. No database schema or engine to choose, no npm package to install, no dependencies to check for. , RAML or Swagger, which allow specifying API services and their parameters but not the full API schema) or are not widely used (e. Fastly provides bandwidth and CDN support, Ruby Central covers infrastructure costs, and Ruby Together funds ongoing development and ops work. You can then use Unirest or any other REST API Client on your target platforms to call either "Invoke" or "Invoke-Secure" methods. 99% of time, we want to bind the JSON input into object, then process it. e email type or empty strings etc. The latest Europass JSON Schema is v3. Uses the sample JSON document to infer a JSON schema. So from there, we take output XML, and feed it into the ValidateInstance method of the schema to perform validation. This assertion is applicable to the REST, HTTP, and JMS request test steps only. How jsonschema2pojo maps format values to Java types:. JSON Schema provides a contract for what JSON data is required for a given application and how to interact with it. We are trying to parse the 'Issues' related JSON file that comes as an output of REST API Call to our company's JIRA URL though ETL Tool Ab Initio. JSON Schema is also used as the basis for Swagger and the Google API discovery service and the JSON Schema website lists many resources and links that demonstrate how to get started. Technical Writing API: XML Schema Programming, XSD, JSON Training, Business Writing For Beginners, REST API Web Services API writers are needed all across the world to document the new features of a software with clear instructions and procedures. Okta's Universal Directory allows administrators to define custom user profiles for Okta users and applications. JSON Utils is a site for generating C#, VB. Rewrite a writer's schema using the aliases from a reader's schema. Hyperlinks and media for JSON Schema draft-zyp-json-hyper-schema-04 Abstract. Scroll down for code samples, example requests and responses. This way we can work with the data as JavaScript objects, with no complicated parsing and translations. I'm not expecting you to implement it - especially if you're not creating JSON Schemas for a web API - but it's great example of a JSON based standard, and well worth the time to look at. Just as with JSON schema attributes, all the attributes in hyper schemas are optional. This might look similar to: The JSON schema will be:. Agree what the API schema will look like up-front. I think they are powerful enough to describe most of the cases used by your typical REST API. a RESTful API, the content of the requests and replies can be exactly defined (also see OpenAPI/Swagger). We’ve added APIs to create and update SLA policies in your Freshdesk account. With Hackolade, it is easy to visually create a JSON Schema from scratch, and without prior knowledge of the syntax. You can find out more at https://github. additionalProperties - Value can be boolean or object. The good thing is that JSON is a human and machine readable format. SoapUI recipe - Validate REST responses against a JSON schema Published on February 24, Automating your API with JSON Schema. 1 Processing Algorithms and API specification [JSON-LD11CG-API] defines a method for compacting a JSON-LD document. Our goal is to help the research community locate, identify, and cite research data with confidence. With the Contacts API, you can obtain and add to the a collection of resources that represent a user's contacts. You can then use Unirest or any other REST API Client on your target platforms to call either "Invoke" or "Invoke-Secure" methods. To begin working on the API, you will need a base "car" model with a few attributes that are common across all vehicles. 25+), for the second see docs/extension. It comes with support for WebSockets as an alternative transport for third party clients. { "type":"object", "$schema": "http://json-schema. It's easy to make mistakes when generating a JSON schema. Agree what the API schema will look like up-front. Schema overview. This document describes the schema in detail. This online tool allows you to convert an XML file into a JSON file. A JSON body, or straight json parameters are always parsed first, meaning that other request parameters come after, and overwrite single valued elements. It will always be easier and more effective to document content in the same language or syntax as the content itself — imagine trying to read a Spanish dictionary. ISO 20022 and JSON: An Implementation Best Practices Whitepaper ISO 20022 and JSON: An Implementation Best Practices Whitepaper By members of the ISO 20022 Registration Management Group and the Technical Support Group Approved for publication by the ISO 20022 RMG 29 January, 2018. They follow the current argument formatting. The Schema Registry REST server uses content types for both requests and responses to indicate the serialization format of the data as well as the version of the API being used. Apache Commons Proper. While this documentation is very incomplete and partly wrong for version 2 it is provided as a full JSON schema starting with version 3. The next two fields are at the method level and allows you to define the schema of request and response payloads from individual API calls. a call to JSONRPC. In order to use json-schema for validation, every JSON data document and every JSON schema document requires a top-level 'document' object (referred to as a header) that describes the type of document ('schema' or 'instance') and allows the correct schema to be matched with a given data document. The online JSON-schema editor provides an easy introduction to JSON-schema, as well as a useful generator of simple JSON-schema. Now, since we are using JSON as our data format, we were able to take a nice shortcut here: the json argument to post. Write your tests such that they conform to the JSON schema. Laravel - The PHP framework for web artisans. API validation with JSON Schema May 13, 2019 Employing JSON Schema is an easy and straightforward way to validate input to your APIs - learn below how it can be enabled in Zato 3. AngularJS is what HTML would have been, had it been designed for building web-apps. This online tool allows you to convert an XML file into a JSON file. For the "File GSTR2" api call, the schema definition and sample JSON are not aligning. The need for validation of JSON payload structures is an essential component of perimeter threat protection for JSON capable environments. JSON schemas and settings. This package expects your JSON API classes (schemas, adapters, etc) to be namespaced in a predictable way. Report a playback of a track. The following JSON object is valid against one of the schemas, so the response body is correct: { "bark": true, "breed": "Dingo" } The following JSON object is not valid against both schemas, so the response body is incorrect:. The Commons Proper is a place for collaboration and sharing, where developers from throughout the Apache community can work together on projects to be shared by the Apache projects and Apache users. Traditionally, JSON-Schema is used to validate inputs to HTTP endpoints, but validation of a JSON file is one of several valid use cases. But its simplicity can lead to problems, since it’s schema-less. While providing an overview of an Generating JSON Schema from XSD with JAXB and Jackson - DZone Java. We are trying to parse the 'Issues' related JSON file that comes as an output of REST API Call to our company's JIRA URL though ETL Tool Ab Initio. Authorization is via the Spotify Accounts service. Schema file; Associated documentation; Postman schemas in GitHub; Example of data validation using our schema and a validator. JSON Schema to JSON Converter: It generates a sample JSON from JSON Schema (Pattern is not implemented yet). The Jira REST API uses JSON as its communication format and the standard HTTP methods like GET, PUT, POST, and DELETE. We use apollo-codegen to generate types from our GraphQL queries, and we've increasingly been using JSON schema with json-schema-to-typescript to generate TypeScript types from JSON schemas. The point here is that, almost none of the data values is changed, only their structure is transformed from the SQL schema to the JSON schema. This documentation describes the resources that make up the API. Authentication. You can find out more at https://github. This section describes how to create REST API to validate the JSON message using xsd STEP 1: Create REST API project and specify the API base path. Overall the code for FAQ schema is super easy to create; you just need to ensure the copy is the exact same as it appears on the webpage. "description": "The Flight Status API provides flight information like: the flight route, per leg the departure and arrival information, airport locations related to the arrival and departure times, information on irregularities (delay, cancellation, etc. Validating JSON with JSON Schema. This document details the protocol interface between the Alexa service and the web service or Lambda function you create. , JSON Schema ) implies that developers must manually test Web APIs and try to deduce. In this tutorial we will learn How to Automate REST API Schema Validation testing using Postman. It also uses a lowest common denominator information model, ensuring any JSON data can be easily processed by every modern programming environment. interagent/schematic • Generate Go client code for HTTP APIs described by JSON Hyper-Schemas. It's easy to make mistakes when generating a JSON schema. The Alexa Skills Kit enables you to give Alexa new abilities by building a cloud-based service. Hello everyone, I want to read a specific attribute from my Asset using the REST API and I want that information in JSON format, but first of all I. Deletions are displayed in red. To create an issue, you will need to know certain key metadata, like the ID of the project that the issue will be created in, or the ID of the issue type. The JSON API contains a list of JSON Schema files for known JSON file formats. json file served via the network (HTTP, FTP, SSH), that contains a list of composer. JSON objects and JSON maps look the same at runtime; this distinction is relevant to the design of the API. He'd just come off a quality audit role on a large-scale project where he'd seen. everit-org/json-schema 1. For example, when I define a JSON property in my schema of type string, if I also attach the rule "format" : "uri" to that property (because my string is actually a URI) then my corresponding Java property will now have the type java. 0, but the definitions object in OpenAPI is, in most respects, a valid JSON Schema. It presents the different sections of a template and the properties that are available in those sections. total setting may be omitted when the Grid is bound to a plain Array (that is, the data items' collection is not a value of a field in the server response). I am always pushing for more schema order in my life. Then get your code to pass. When enabled, BigQuery makes a best-effort attempt to automatically infer the schema for CSV and JSON external data sources. You need to provide an API key in each request (or a client ID if you have a Premium Plan). org vocabulary. The framework inserts these formatters into the pipeline by default. The JSON:API community has created a collection of extensions that APIs can use to provide clients with information or functionality beyond that described in the base JSON:API specification. Namespacing. Create ETL Jobs to read from JSON / XML Files / REST API / SOAP Service (OAuth, Pagination). The next two fields are at the method level and allows you to define the schema of request and response payloads from individual API calls. This data is schemaless, which means that you don’t need to specify ahead of time what keys exist on each object. By default, we produce minified JSON. The Ads API program enables businesses to create and manage ads campaigns programmatically on Twitter. This document describes the schema in detail. JSON schema is a format that may be used to formalize constraints and requirements to JSON. JSON Api Schema is a JSON dialect ( just a json file ) that can describe any Web Based API that uses JSON to exchange data. Each schema file can be used in tooling such as command line validators, editor auto-completion etc. JSON Schema is a specification for JSON based format for defining the structure of JSON data. When deserializing JSON content into an Apex class in any API version, or into an object in API version 35.