Uploaded November 2019 | Updated September 2026, 15 hours ago

---

In the pilot episode of the Sandbox Show, Shannon Skipper and Richard Moot deep dive into idempotency including the history of the concept, its use in REST, and live coding.

You can read more about idempotency on our blog at developer.squareup.com/blog/understanding-the-essentials-idempotency

Tools used in the show:
Roda - roda.jeremyevans.net
React - https://create-react-app.dev/
Postman - getpostman.com

Square Developer Community - https://squ.re/slack
Square Developer Twitter - twitter.com/squaredev