Hi @NishimuraChinatsu-9854 ,
As far as I know, you can make use of azure functions to achieve the scenario. The flow will call the azure function API and processing will be performed and the result will be returned back to flow.
https://learn.microsoft.com/en-us/azure/azure-functions/supported-languages
You can check the below mentioned document regarding the steps on how to create azure function.
https://learn.microsoft.com/en-us/azure/azure-functions/functions-create-first-azure-function
You can use HTTP trigger to call the azure function from flow.
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