OpenAPI Training

10 Lesson

30 Hours

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OpenAPI Training helps learners master API design and documentation using the OpenAPI Specification. Understand how to create, structure, and maintain high-quality RESTful APIs using industry-standard tools like Swagger Editor and SwaggerHub. Gain hands-on skills to streamline API development, improve collaboration between teams, and ensure consistency across services. Prepare to advance your career in API development and software architecture with practical OpenAPI expertise.

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Overview

Prerequisites

Basic understanding of REST APIs (endpoints, HTTP methods, status codes)
Familiarity with JSON and/or YAML syntax
Understanding of API design principles (paths, parameters, responses, versioning)
Experience using API tools like Swagger Editor or SwaggerHub
Basic knowledge of web development or any programming language

What You Will Learn

Learn the structure of the OpenAPI Specification (OAS) – v2.0 and v3.x
Write API definitions using YAML or JSON
Define key components:
- paths, operations (GET, POST, etc.)
- parameters, responses, requestBody, components
Use Swagger tools:
- Swagger Editor
- Swagger UI
- SwaggerHub
Apply best practices for API design and versioning
Implement security schemes (API keys, OAuth2, etc.)
Validate and test OpenAPI specifications
Generate API client/server code from OpenAPI definitions
Understand the differences between OpenAPI 2.0 (Swagger) and OpenAPI 3.0
Use API-first development workflows for collaboration and delivery

Key Features

Experienced & Professional Trainers
Small Batches Upto 10 Participants
1 On 1 Training Option Available
100% Money-Back Guarantee
24 X 7 Lifetime Support
Instructor Led Training : 30 Hrs

Course Curriculum

Lesson 1 - Introduction to OpenAPI & Swagger

1. What is an API / REST API

2. History & evolution of Swagger → OpenAPI

3. Benefits, use‑cases & design patterns

4. Overview of the OpenAPI Specification (OAS)

Lesson 2 - Core OpenAPI Specification Basics

1. Structure of OpenAPI documents (info, servers, paths, components, etc.)

2. Info Object, Servers Object, Metadata

3. Paths, operations (GET, POST, PUT, DELETE, etc.)

Lesson 3 - Schema, Data Types & Components

1. JSON Schema fundamentals

2. Primitive vs complex types

3. Object definitions, arrays, enums

4. Reusable components: schemas, responses, parameters, examples

Lesson 4 - Parameters, Request / Response Modeling & Extensions

1. Path, query, header, cookie parameters

2. Request bodies and content types

3. Responses & status codes

4. Vendor extensions / custom parameters / extensions

Lesson 5 - Security & Authentication

1. Security scheme definitions (API Keys, HTTP, OAuth2, JWT, etc.)

2. Securing paths & operations

3. Using security definitions with flow, scopes, etc.

Lesson 6 - Design & Implementation Strategies

1. Design‑first vs code‑first approaches

2. Best practices (versioning, naming, consistency, deprecation)

3. API sandboxing, mock servers, API mocking

Lesson 7 - Code Generation / SDK & Server Stubs

1. Using tools to generate client SDKs

2. Generating server stubs

3. Customizing generated code

4. Integrating generation into development workflows / CI pipelines

Lesson 8 - Testing, Validation & Tooling

1. Validating OpenAPI documents (syntax, structure)

2. Tools like Swagger UI, Swagger Editor, Swagger Inspector

3. Automated tests, mocking, running API requests

4. Integration with Postman / Newman etc.

Lesson 9 - Collaboration & API Management Tools

1. SwaggerHub or equivalent platforms

2. Version control, branching, change management

3. Enforcing API standards, linting, governance

Lesson 10 - Deployment, Monitoring & Maintenance

1. Deploying API docs / hosting Swagger UI

2. API versioning, backward compatibility, deprecation strategies

3. Monitoring API usage, logging, analytics

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1-800-7430-173 (US Toll Free)

+91 7240740740 (India)

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Course Fees

Online Class Room Program

US $ 799.00

100% Money Back Guarantee

Duration : 30 Hrs
Plus Self Paced

Classes Starting From

Fast Track Batch 25 Jun 2026
Weekday Batch 29 Jun 2026
Weekend Batch 27 Jun 2026

Corporate Training

Customized Training Delivery Model
Flexible Training Schedule Options
Industry Experienced Trainers
24x7 Support

Trusted By Top Companies Worldwide

Want to know Today's Offer

OpenAPI Certification

After completing the OpenAPI Training and hands-on practical exercises, learners will receive a Course Completion Certificate from igmGuru. This certification validates your expertise in designing and documenting RESTful APIs, implementing the OpenAPI Specification (OAS), optimizing API development workflows, and integrating OpenAPI with tools like SwaggerHub, Swagger Editor, and various CI/CD systems.

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OpenAPI Training