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OpenAPI Specification: History, Usage & Features

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…

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OpenAPI Specification topic overview

The analysis highlights History, Usage and Features as prominent areas in the source structure around OpenAPI Specification.

Related topics
27
Source areas
4
Connected nodes
31
Extracted relationships
22
Concept neighborhoods
13
Bridge connections
31

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

History · 14 topics
Overview · 6 topics
Usage · 6 topics
Features · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

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)

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. 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.

How OpenAPI Specification connects Entity context

The extracted context around OpenAPI Specification shows recurring relationship patterns in the source. For example, OpenAPI Specification → GitHubDirectory, Learn OpenAPI, OAI, OpenAPI Descriptions, OpenAPI Initiative, Specification, Specifications, Tools Another extracted example is OpenAPI Specification → API, In February, In July, JSON, Major, OpenAPI Initiative, PathItems, SPDX. Use these groups to spot repeated connection types before inspecting the individual relationships.

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

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

OpenAPI Specification relationships Subject–Predicate–Object triples

TTTA extracted 22 structured relationships around OpenAPI Specification. Examples in this analysis include OpenAPI Specification → First published → 10 August 2011; 15 years ago (2011-08-10) and OpenAPI Specification → Latest version → 3.2.0 19 September 2025; 11 months ago (2025-09-19). The table shows each extracted connection, where it came from and its confidence.

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

The concept neighborhoods around OpenAPI Specification bring nearby vocabulary together. In this analysis, examples include Initiative, Specification and Swagger. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • OpenAPI Specification
    • Initiative
    • Specification
    • Swagger
    • Version
    • Oas
    • Descriptions
    • New
    • Released
    • Tools
    • Api
    • Called
    • Conferences
  • openapi specification
    • Initiative
    • Swagger
    • Specification
    • New
    • Version
    • Oas
    • Api
    • Descriptions
    • Released
    • Tools
    • Github
    • References
  • specification
    • Swagger
    • New
    • Api
    • Github
    • References
    • Services
    • Software
    • Initiative
    • Descriptions
    • Called
    • Version
    • Also
  • restful api modeling language
    • Describing
    • Description
    • Developed
    • Services
    • Swagger
    • Use
    • Called
    • Specification
    • Oas
    • Openapi
    • Api
    • Language
  • interface definition language
    • Describing
    • Developed
    • Language
    • Server
    • Services
    • Swagger
    • Called
    • Specification
    • Code
    • Oas
    • Api
    • Openapi
  • features
    • Also
    • Conferences
    • Formats
    • References
    • Software
    • Tracks
    • Development
    • Support
    • Version
    • Swagger
    • Specification
    • Openapi
  • linux foundation
    • Foundation
    • Linux
    • Open-source
    • Swagger
    • New
    • Initiative
    • Called
    • Support
    • Openapi
    • Specification
  • github
    • Descriptions
    • New
    • Tools
    • Specification
    • Oas
    • Openapi
    • Swagger
    • Initiative

Connections between topic areas Semantic bridges

For OpenAPI Specification, one of the stronger structural bridges in this analysis connects OpenAPI Specification with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
OpenAPI Specification — History · splits 17 ⟂ 15
OpenAPI Specification — Overview · splits 25 ⟂ 7
OpenAPI Specification — Usage · splits 25 ⟂ 7

Map overview Semantic statistics

OpenAPI Specification

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

Source & methodology

TTTA analyzes the structure around OpenAPI Specification to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Usage & Features, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — OpenAPI Specification · EN edition · Analysis: TopicsToTalkAbout

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