APIs with Postman for Absolute Beginners
Course description
To work with APIs we will use the Postman app! Postman allows you to quickly create a request with the required HTTP method and parameters, set the body, headers, submit the request and easily inspect the results. Postman can help if you are developing APIs as well! I have created this course for testing engineers and well for software developers. Postman can help you during the development of your API as well as after the API is completed, by running tests that make sure your API is still working as intended.
Read more about the course
Postman has over 10 million users worldwide and continues to grow. This course will introduce you to Postman and is suited for beginners. You will learn how to build API requests with Postman, how to inspect responses debug any issues.
Postman has grown to be a complex tool that has many capabilities
So let’s look at what you are going to learn during the course:
Start with simple requests
Advance towards more complex scenarios
Upload files
Learn about REST
Learn about GraphQL
Work with real APIs
Learn to deal with authentication/authorization
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All Course Lessons (52)
| # | Lesson Title | Duration | Access |
|---|---|---|---|
| 1 | Brief history of APIs Demo | 08:59 | |
| 2 | Why do we need APIs? An example RPC call | 09:16 | |
| 3 | Welcome to the course - please watch! | 02:48 | |
| 4 | Section overview | 01:07 | |
| 5 | HTTP message structure | 08:25 | |
| 6 | HTTP request method (GET, POST, PUT, DELETE, ...) | 07:53 | |
| 7 | Introduction to Postman (tool for working with APIs) | 04:08 | |
| 8 | What are query parameters? ... | 06:59 | |
| 9 | What are path parameters? ... | 09:58 | |
| 10 | HTTP headers | 10:01 | |
| 11 | HTTP headers: Content-Type header | 04:13 | |
| 12 | HTTP headers: Authorization header | 04:58 | |
| 13 | HTTP headers: Cookie header (Cookies) | 03:19 | |
| 14 | HTTP body | 06:54 | |
| 15 | HTTP status code (200, 301, 401, 403, 404, ...) | 07:09 | |
| 16 | Conclusion | 00:23 | |
| 17 | Section overview | 01:16 | |
| 18 | What is REST? | 02:43 | |
| 19 | What is a resource? | 07:33 | |
| 20 | Hands-on API Car fleet management | 00:42 | |
| 21 | What is JSON? | 09:49 | |
| 22 | API Documentation | 05:12 | |
| 23 | What is Swagger? | 03:54 | |
| 24 | How to create a GET request - Part I | 04:54 | |
| 25 | How to create a GET request - Part II | 04:25 | |
| 26 | Assignment - GET | 00:34 | |
| 27 | Assignment solution - GET | 05:37 | |
| 28 | Invalid JSON | 07:52 | |
| 29 | How to create a POST request | 03:33 | |
| 30 | Common errors | 03:56 | |
| 31 | Assignment POST | 00:51 | |
| 32 | Assignment solution - POST | 05:01 | |
| 33 | GET vs POST & What is a Cache | 04:59 | |
| 34 | How to create a PUT request | 04:04 | |
| 35 | POST vs PUT | 01:37 | |
| 36 | Assignment DELETE | 00:21 | |
| 37 | Assignment solution DELETE | 02:41 | |
| 38 | What is CRUD? | 01:11 | |
| 39 | Which HTTP verb to use | 03:11 | |
| 40 | Section overview | 00:21 | |
| 41 | What is Giphy? | 04:20 | |
| 42 | How to search for GIFs using the API | 05:26 | |
| 43 | How to get a GIF through the API | 03:48 | |
| 44 | How to create a GIF (optional) | 01:18 | |
| 45 | How to upload a file using Postman | 02:23 | |
| 46 | Assignment | 00:19 | |
| 47 | Assignment solution | 01:03 | |
| 48 | Clean-up | 02:00 | |
| 49 | Introduction to GraphQL | 01:49 | |
| 50 | How to use GraphQL from Postman (GitHub API) | 04:14 | |
| 51 | How to use variables with GraphQL | 01:41 | |
| 52 | Conclusion | 01:17 |
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