Get is idempotent because it's the identity function. It does not change the sta... | Hacker News

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elcomet on April 8, 2021 | parent | context | favorite | on: Idempotence now prevents pain later

Get is idempotent because it's the identity function. It does not change the state of the data. So it's a trivial case of idempotency.

A more interesting function is PUT (idempotent) vs POST (not idempotent)

Animats on April 8, 2021 [–]

GET is supposed to be idempotent. But there are sites and APIs where URL parameters make something happen on a GET.

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