I have recently had to work with a few REST APIs that exhibited some poor design choices that I had previously assumed would be obvious. Since they may not be obvious to everyone, I wanted to highlight them. Idempotent operations When an operation is idempotent that means that an end state will be identical regardless of how many times the operation is executed. If the end state is dependent on the number of times an operation is executed, then it is not idempotent. Why is this important? REST interfaces should assume unreliable networks......

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