Singular State https://singular-state.com Advanced technical expertise for feasibility, prototyping and modernization. We build the working pilot and ramp up your team to take it forward. en-US A successful API facade can make the underlying system harder to retire https://singular-state.com/articles/a-successful-api-facade-can-make-the-underlying-system-harder-to-retire/ https://singular-state.com/articles/a-successful-api-facade-can-make-the-underlying-system-harder-to-retire/ Mon, 07 Sep 2026 00:00:00 +0000 How easier access to retained behavior can increase the obligations that a later replacement must satisfy. API facades and the behavior behind the interface https://singular-state.com/articles/api-facades-and-the-behavior-behind-the-interface/ https://singular-state.com/articles/api-facades-and-the-behavior-behind-the-interface/ Mon, 07 Sep 2026 00:00:00 +0000 A facade exposes a consumer contract over retained behavior. Translation and routing do not remove the operational obligations of the underlying application. Idempotence: what a repeated operation is allowed to do https://singular-state.com/articles/idempotence-what-a-repeated-operation-is-allowed-to-do/ https://singular-state.com/articles/idempotence-what-a-repeated-operation-is-allowed-to-do/ Mon, 07 Sep 2026 00:00:00 +0000 Idempotence concerns the intended effect of repeated requests. It is distinct from identical responses, broker acceptance, and exactly-once business execution. Where Oracle Forms business logic ends and an API begins https://singular-state.com/articles/where-oracle-forms-business-logic-ends-and-an-api-begins/ https://singular-state.com/articles/where-oracle-forms-business-logic-ends-and-an-api-begins/ Mon, 07 Sep 2026 00:00:00 +0000 Recovering Forms event logic and execution context before exposing database operations through an API.