Section 1 : Introduction

Lecture 1 Introduction- 7:6
Lecture 2 API Definition- 5:28
Lecture 3 YAML

Section 2 : Open API Specification

Lecture 4 Note about OAS 3 Text
Lecture 5 Open API Specification Basics
Lecture 6 Schemas
Lecture 7 Open API Specification Continued 11:1
Lecture 8 Documentation 8:17

Section 3 : Tools and Alternatives

Lecture 9 Swagger Tools 3:19
Lecture 10 JSON
Lecture 11 Alternatives to Swagger and OAS
Lecture 12 Resources Text