Idempotent Consumer
/aɪˈdempətənt kənˈsjuːmər/
Definition
A message consumer that safely processes the same message multiple times without duplicate side effects.
Example in context
"The payment consumer is idempotent — it checks if payment_id was already processed before charging."
Related terms
Practice this term
Master Idempotent Consumer in context by working through exercises in the Software Architecture module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.