Module 3: SaaS Architecture: HTTP, REST, and APIs
Module 3 Overview Video Reading: Textbook Chapter 3All of the material in this module corresponds to Chapter 3 of the ESaaS textbook — the chapter PDF is linked at the top of this page and on the Textbook page. Watch each section’s video, read the matching section of the textbook, then complete the self-check on Gradescope.
Module 3 Self-Check
After finishing the videos and readings, complete the Module 3 Self-Check on Gradescope.
Sections
| Section | Watch | Read |
|---|---|---|
| 3.1 The Web’s Client–Server Architecture | Video | §3.1 |
| 3.2 SaaS Communication Uses HTTP Routes | Video | §3.2 |
| 3.3 CHIPS: HTTP and URIs | — | Assignment |
| 3.4 From Web Sites to Microservices: Service-Oriented Architecture | Video | §3.4 |
| 3.5 RESTful APIs: Everything is a Resource | Video | §3.5 |
| 3.6 RESTful URIs, API Calls, and JSON | Video | §3.6 |
| 3.7 CHIPS: Wordguesser (not yet released) | — | Assignment |
Additional textbook readings
These sections have no videos, but are part of the assigned reading:
- §3.0 Concepts and Prerequisites
- §3.8 Fallacies and Pitfalls
- §3.9 Concluding Remarks