Build a License Key Generator and API in 20 Minutes

Build a system to generate and check unique license keys using Google Apps Script, complete with a user interface created with Carrd for easy interaction.

Mastering License Key Generation with Google Sheets & Google Apps Script

In this comprehensive tutorial, learn how to create, manage, and validate license keys using Google Sheets and Google Apps Script. This step-by-step guide covers everything from setting up a Google Sheet to store keys and emails, coding functions for GET and POST requests, and deploying a web app. Watch as we build a functional API to generate unique keys based on email, create a key validation system, and integrate a custom front-end interface using Carrd forms. Perfect for anyone looking to implement a custom key verification system in their Google Sheets workflow.

00:00 Introduction to License Key Generator
00:46 Understanding APIs and Their Uses
01:29 Creating the Front End with Carrd
02:02 Generating and Testing License Keys
03:34 Setting Up Google Sheets and Apps Script
04:24 Implementing the doPost Function
08:09 Implementing the doGet Function
09:23 Setting Up the License Key Checker
10:06 Implementing the Key Validation Logic
12:22 Deploying the Web App
12:54 Generating and Testing License Keys
14:45 Creating a Front End with Card
16:59 Building the Key Checker Interface
18:30 Final Testing and Conclusion

[Sam-lxlu]

Could I implement this in my C++ executable script?

[unvyt]

Could this license key generator be used with the spreadsheet we sell? To validate users who purchase our product?

[JuniorNxumalo-ossl]

Can i have the link where you just add your email then you get your license key