Uploaded September 2023 | Updated September 2026, 1 day ago
In this Square Dev Chat, we sit down with James Youn and Jiwon Kim, co-founders of Gamsa.io. James and Jiwon have built a custom kiosk app that integrates directly with Square in order to empower Square sellers in the QSR (Quick Service Restaurant) industry. Gamsa integrates with the Square catalog, terminal, and more to create a seamless experience for sellers looking for an automated way to service their customers. Our conversation with Gamsa touches topics of development phases, Square integrations, technology stacks, and so much more. We hope you enjoy!
Chapters:
0:00 - Introduction
0:57 - What is Gamsa?
1:49 - Acquiring the first customers
3:01 - Early learnings
4:01 - Important features
6:15 - Learning from customers and improving UX
8:27 - Technology choices
11:55 - Feedback and feature development process
12:43 - Text message notifications and other features
15:28 - Exploring the quick service restaurant industry
17:39 - Working with Square
21:04 - Terminal API vs Reader SDK
22:54 - Conclusion
Resources:
Gamsa: gamsa.io
Square Catalog API: developer.squareup.com/docs/catalog-api/what-it-does
Square Terminal API: developer.squareup.com/docs/terminal-api/overview
Square Loyalty API: developer.squareup.com/docs/loyalty-api/overview
In this Square Dev Chat, we sit down with James Youn and Jiwon Kim, co-founders of Gamsa.io. James and Jiwon have built a custom kiosk app that integrates directly with Square in order to empower Square sellers in the QSR (Quick Service Restaurant) industry. Gamsa integrates with the Square catalog, terminal, and more to create a seamless experience for sellers looking for an automated way to service their customers. Our conversation with Gamsa touches topics of development phases, Square integrations, technology stacks, and so much more. We hope you enjoy!
Chapters:
0:00 - Introduction
0:57 - What is Gamsa?
1:49 - Acquiring the first customers
3:01 - Early learnings
4:01 - Important features
6:15 - Learning from customers and improving UX
8:27 - Technology choices
11:55 - Feedback and feature development process
12:43 - Text message notifications and other features
15:28 - Exploring the quick service restaurant industry
17:39 - Working with Square
21:04 - Terminal API vs Reader SDK
22:54 - Conclusion
Resources:
Gamsa: gamsa.io
Square Catalog API: developer.squareup.com/docs/catalog-api/what-it-does
Square Terminal API: developer.squareup.com/docs/terminal-api/overview
Square Loyalty API: developer.squareup.com/docs/loyalty-api/overview
