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The data type of a schema is defined by the type keyword, for example, type: string. OpenAPI defines the following basic types: string (this includes dates and files) number integer boolean array object These types exist in most programming languages, though they may go by different names. Using these types, you can describe any data structures. Note that there is no null type; instead, the nullab

You can add examples to parameters, properties and objects to make OpenAPI specification of your web service clearer. Examples can be read by tools and libraries that process your API in some way. For example, an API mocking tool can use sample values to generate mock requests. You can specify examples for objects, individual properties and operation parameters. To specify an example, you use the

Note that parameters is an array, so, in YAML, each parameter definition must be listed with a dash (-) in front of it. Parameter Types Swagger distinguishes between the following parameter types based on the parameter location. The location is determined by the parameter’s in key, for example, in: query or in: path. query parameters, such as /users?role=admin path parameters, such as /users/{id}

An API specification can include examples for: response MIME types, schemas (data models), individual properties in schemas. Examples can be used by tools and libraries, for instance, Swagger UI auto-populates request bodies based on input schema examples, and some API mocking tools use examples to generate mock responses. Note: Do not confuse example values with the default values. An example is

OpenAPI 3.0 provides several keywords which you can use to combine schemas. You can use these keywords to create a complex schema, or validate a value against multiple criteria. oneOf – validates the value against exactly one of the subschemas allOf – validates the value against all the subschemas anyOf – validates the value against any (one or more) of the subschemas Besides these, there is a not

OpenAPI uses the term security scheme for authentication and authorization schemes. OpenAPI 3.0 lets you describe APIs protected using the following security schemes: HTTP authentication schemes (they use the Authorization header): Basic Bearer other HTTP schemes as defined by RFC 7235 and HTTP Authentication Scheme Registry API keys in headers, query string or cookies Cookie authentication OAuth

Bearer authentication (also called token authentication) is an HTTP authentication scheme that involves security tokens called bearer tokens. The name “Bearer authentication” can be understood as “give access to the bearer of this token.” The bearer token is a cryptic string, usually generated by the server in response to a login request. The client must send this token in the Authorization header

NEWSwagger Inspector is now SwaggerHub Explore See how an API behaves in the real world. Instantly. Quickly validate the functionality of an API to accomplish your goals Start Exploring SmartBear Named a Leader by Gartner® in the 2024 Magic Quadrant™ for API Management Design, document, and understand your APIs all in one place Go a step further from documentation to really understand the APIs bef

OpenAPI Specification (formerly Swagger Specification) is an API description format for REST APIs. An OpenAPI file allows you to describe your entire API, including: Available endpoints (/users) and operations on each endpoint (GET /users, POST /users) Operation parameters Input and output for each operation Authentication methods Contact information, license, terms of use, and other information.

Note that parameters is an array, so, in YAML, each parameter definition must be listed with a dash (-) in front of it. Parameter Types OpenAPI 3.0 distinguishes between the following parameter types based on the parameter location. The location is determined by the parameter’s in key, for example, in: query or in: path. path parameters, such as /users/{id} query parameters, such as /users?role=ad

Swagger Codegen Swagger Codegen can simplify your build process by generating server stubs and client SDKs for any API, defined with the OpenAPI (formerly known as Swagger) specification, so your team can focus better on your API’s implementation and adoption. Download SmartBear Named a Leader by Gartner® in the 2024 Magic Quadrant™ for API Management Generate Servers Remove tedious plumbing and c

When you document an API, it is common to have some features which you use across several of API resources. In that case, you can create a snippet for such elements in order to use them multiple times when you need it. With OpenAPI 3.0, you can reference a definition hosted on any location. It can be the same server, or another one – for example, GitHub, SwaggerHub, and so on. To reference a defin

What is Swagger? If you’ve ever worked with APIs, chances are, you’ve heard of Swagger. Swagger is the most widely used tooling ecosystem for developing APIs with the OpenAPI Specification (OAS). Swagger consists of both open source as well as professional tools, catering to almost every need and use case. A Brief History Lesson Swagger used to consist of the specification and a large ecosystem of

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Swagger Editor Design, describe, and document your API on the first open source editor supporting multiple API specifications and serialization formats. The Swagger Editor offers an easy way to get started with the OpenAPI Specification (formerly known as Swagger) as well as the AsyncAPI specification, with support for Swagger 2.0, OpenAPI 3.*, and AsyncAPI 2.* versions.

Tools and Integrations Here you can find a list of libraries and frameworks serving the Swagger ecosystem. The main list consists of tools that provide support for the latest Swagger 2.0. Below, you can find a list of tools that have not yet been updated. Swagger-Group Projects These are the projects that were created by the same people who authored the Swagger Specification: Name Main Purpose Des

Swagger UI Swagger UI allows anyone — be it your development team or your end consumers — to visualize and interact with the API’s resources without having any of the implementation logic in place. It’s automatically generated from your OpenAPI (formerly known as Swagger) Specification, with the visual documentation making it easy for back end implementation and client side consumption. Live Demo

OpenAPI Specification Version 3.1.0 The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in BCP 14 RFC2119 RFC8174 when, and only when, they appear in all capitals, as shown here. This document is licensed under The Apache License, Version 2.0. Introduc

Swagger places API specifications such as OpenAPI, AsyncAPI, and JSON Schema at the core of its architecture, which are crucial for guiding teams through the entire lifecycle of API design and documentation. This strategic focus ensures that our suite, including open source tools and SwaggerHub, delivers unparalleled efficiency and a seamless user experience. Explore the API Specifications Discove