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OpenAPI Specification v3.0.3

Standard, language-agnostic interface description for HTTP APIs enabling discovery and understanding without source code access.

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Field note

What it does

The OpenAPI Specification (OAS) defines a standard interface description for HTTP APIs, allowing humans and computers to discover and understand service capabilities without requiring access to source code, additional documentation, or network traffic inspection.

Capabilities

Available capabilities

Parameter Definition Path Templating Schema Definition Callback Definition Security Schemes HTTP API Description

OpenAPI Specification v3.0.3

What it does

Available capabilities

Tags

Ways to use it

Product features

1.1 Version 3.0.0

1. OpenAPI Specification

2. Introduction

3.1 OpenAPI Document

3.2 Path Templating

3.3 Media Types

3.4 HTTP Status Codes

3. Definitions

OpenAPI Specification v3.0.0

Status of This Document

Version 3.0.0

What is the OpenAPI Specification?