Automatic
Idempotency: Solving the Double-Click Problem for APIs
9:26
A user taps "Pay Now," the page freezes, and they tap again. In a poorly designed system, that second tap can mean a second charge, a duplicate shipment, and a very bad morning for finance. This episode of Automatic tackles idempotency — the API design principle that ensures a request processed more than once produces exactly the same outcome as a request processed once. The discussion draws on…