@Landry, Francois Thank you for reaching out to Microsoft Q&A.
Standard logic app runs on a dedicated App service plan and all the respective Azure Management Rest API related to workflow will be found under the Azure App service
instead of Logic Apps.
Below are the list of REST API's available for the standard logic app.
Here is the respective Azure Management Rest API to get the workflow run of a particular workflow in standard logic apps.
Feel free to reach back to me if you have any further questions on this.