Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

OpenAPI Specification

The OpenAPI Specification (OAS), previously known as the Swagger Specification, is a specification for a machine-readable interface definition language for describing, producing, consuming and visualizing web services. Originally developed to support the Swagger framework, it became a separate project in 2015, overseen by the OpenAPI Initiative, an…

History, Usage & Features

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around OpenAPI Specification. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

First published
10 August 2011; 15 years ago (2011-08-10)
Latest version
3.2.0 19 September 2025; 11 months ago (2025-09-19)
Year started
2010; 16 years ago (2010)

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Usage

Features

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

OpenAPI Specification

Nodes32
Edges31
Triples22
Avg. degree1.94
Density0.0625
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

OpenAPI Specification

Top relations

related to External links · 8
OpenAPI Specification → GitHubDirectory, Learn OpenAPI, OAI, OpenAPI Descriptions, OpenAPI Initiative, Specification, Specifications, Tools
related to history · 8
OpenAPI Specification → API, In February, In July, JSON, Major, OpenAPI Initiative, PathItems, SPDX
related to Features · 2
OpenAPI Specification → The OpenAPI Specification, With OpenAPI's
First published · 1
OpenAPI Specification → 10 August 2011; 15 years ago (2011-08-10)
Latest version · 1
OpenAPI Specification → 3.2.0 19 September 2025; 11 months ago (2025-09-19)
Website · 1
OpenAPI Specification → openapis.org
Year started · 1
OpenAPI Specification → 2010; 16 years ago (2010)

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

openapi specification swagger initiative api version oas code support documentation called 2015 tools use generate development new 2017 released descriptions

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
OpenAPI SpecificationFirst published10 August 2011; 15 years ago (2011-08-10)1.00infobox
OpenAPI SpecificationLatest version3.2.0 19 September 2025; 11 months ago (2025-09-19)1.00infobox
OpenAPI SpecificationWebsiteopenapis.org1.00infobox
OpenAPI SpecificationYear started2010; 16 years ago (2010)1.00infobox
OpenAPI Specificationrelated to External linksOpenAPI Initiative0.60section
OpenAPI Specificationrelated to External linksOAI0.60section
OpenAPI Specificationrelated to External linksSpecifications0.60section
OpenAPI Specificationrelated to External linksLearn OpenAPI0.60section
OpenAPI Specificationrelated to External linksTools0.60section
OpenAPI Specificationrelated to External linksSpecification0.60section
OpenAPI Specificationrelated to External linksGitHubDirectory0.60section
OpenAPI Specificationrelated to External linksOpenAPI Descriptions0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.