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API Testing and Development with Postman

You're reading from   API Testing and Development with Postman API creation, testing, debugging, and management made easy

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Product type Paperback
Published in Jun 2024
Publisher Packt
ISBN-13 9781804617908
Length 358 pages
Edition 2nd Edition
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Author (1):
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Dave Westerveld Dave Westerveld
Author Profile Icon Dave Westerveld
Dave Westerveld
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Table of Contents (18) Chapters Close

Preface 1. API Terminology and Types 2. API Documentation and Design FREE CHAPTER 3. OpenAPI and API Specifications 4. Considerations for Good API Test Automation 5. Understanding Authorization Options 6. Creating Test Validation Scripts 7. Data-Driven Testing 8. Workflow Testing 9. Running API Tests in CI with Newman 10. Monitoring APIs with Postman 11. Testing an Existing API 12. Creating and Using Mock Servers in Postman 13. Using Contract Testing to Verify an API 14. API Security Testing 15. Performance Testing an API 16. Other Books You May Enjoy
17. Index

Creating an OAS

I won’t spend a lot of time on the Swagger tools that are used for OpenAPI specifications, but I do want to give you at least an introduction to the subject so that you can use these tools in your API testing if you want. In this section, you will learn how to create and edit these files in the Swagger Editor. You will also learn what an API schema is and how to codify one in an API specification. To demonstrate these things, I will use the Swagger Petstore API. This is an example API that already has the OAS built for it. It is a good way to get started with using OpenAPI and is used in its documentation a lot as well.

The OAS enables a lot of value and has a lot of available features. In this section, I will quickly skim through using it.

The Swagger Editor is an online tool for editing the OAS. You can access it at https://editor.swagger.io/. When you first open that in your browser, it will load the example Petstore API. If you have used the editor...

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