Non-idempotent examples. An operation is not idempotent if it leaves resources on the server in a different state every time it is invoked. Here are some examples of non-idempotent RESTful operations: ...

Idempotent APIs protect your application from duplicate requests caused by network issues or even client-side mistakes. Here’s how to create them in ASP.NET Core.

What Is Idempotent in REST? One of the important aspects of REST (or at least HTTP) is the concept that some operations (verbs) are idempotent. Idempotency is also discussed in the SOA Design Patterns ...

They are idempotent because multiple invocations leave the server in the same state. For example, if a PUT operation sets the status of a flight to ontime, that operation could be invoked 100 times ...